19911257100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{419}}^1$

素因数の和:862

約数の個数: 432

約数和(自身を含む): 75449337600

約数和(自身を除く): 55538080500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 28, 30, 35, 36, 38, 42, 45, 50, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 114, 126, 133, 140, 150, 171, 175, 180, 190, 210, 225, 228, 252, 266, 285, 300, 315, 342, 350, 380, 397, 399, 419, 420, 450, 475, 525, 532, 570, 630, 665, 684, 700, 794, 798, 838, 855, 900, 950, 1050, 1140, 1191, 1197, 1257, 1260, 1330, 1425, 1575, 1588, 1596, 1676, 1710, 1900, 1985, 1995, 2095, 2100, 2382, 2394, 2514, 2660, 2779, 2850, 2933, 3150, 3325, 3420, 3573, 3771, 3970, 3990, 4190, 4275, 4764, 4788, 5028, 5558, 5700, 5866, 5955, 5985, 6285, 6300, 6650, 7146, 7542, 7543, 7940, 7961, 7980, 8337, 8380, 8550, 8799, 9925, 9975, 10475, 11116, 11732, 11910, 11970, 12570, 13300, 13895, 14292, 14665, 15084, 15086, 15922, 16674, 17100, 17598, 17865, 18855, 19850, 19950, 20950, 22629, 23820, 23883, 23940, 25011, 25140, 26397, 27790, 29330, 29775, 29925, 30172, 31425, 31844, 33348, 35196, 35730, 37710, 37715, 39700, 39805, 39900, 41685, 41900, 43995, 45258, 47766, 50022, 52794, 52801, 55580, 55727, 58660, 59550, 59850, 62850, 67887, 69475, 71460, 71649, 73325, 75420, 75430, 79610, 83370, 87990, 89325, 90516, 94275, 95532, 100044, 105588, 105602, 111454, 113145, 119100, 119415, 119700, 125055, 125700, 131985, 135774, 138950, 143298, 146650, 150860, 158403, 159220, 166343, 166740, 167181, 175980, 178650, 188550, 188575, 199025, 208425, 211204, 219975, 222908, 226290, 238830, 250110, 263970, 264005, 271548, 277900, 278635, 286596, 293300, 316806, 332686, 334362, 339435, 357300, 358245, 377100, 377150, 398050, 416850, 439950, 452580, 475209, 477660, 499029, 500220, 501543, 527940, 528010, 557270, 565725, 597075, 625275, 633612, 659925, 665372, 668724, 678870, 716490, 754300, 792015, 796100, 831715, 833700, 835905, 879900, 950418, 998058, 1003086, 1056020, 1114540, 1131450, 1164401, 1194150, 1250550, 1319850, 1320025, 1357740, 1393175, 1432980, 1497087, 1584030, 1663430, 1671810, 1697175, 1791225, 1900836, 1996116, 2006172, 2262900, 2328802, 2376045, 2388300, 2495145, 2501100, 2507715, 2639700, 2640050, 2786350, 2994174, 3160517, 3168060, 3326860, 3343620, 3394350, 3493203, 3582450, 3960075, 4158575, 4179525, 4657604, 4752090, 4990290, 5015430, 5280100, 5572700, 5822005, 5988348, 6321034, 6788700, 6986406, 7164900, 7485435, 7920150, 8317150, 8359050, 9481551, 9504180, 9980580, 10030860, 10479609, 11644010, 11880225, 12475725, 12538575, 12642068, 13972812, 14970870, 15802585, 15840300, 16634300, 16718100, 17466015, 18963102, 20959218, 22123619, 23288020, 23760450, 24951450, 25077150, 28444653, 29110025, 29941740, 31605170, 34932030, 37427175, 37926204, 41918436, 44247238, 47407755, 47520900, 49902900, 50154300, 52398045, 56889306, 58220050, 63210340, 66370857, 69864060, 74854350, 79012925, 87330075, 88494476, 94815510, 104796090, 110618095, 113778612, 116440100, 132741714, 142223265, 149708700, 158025850, 174660150, 189631020, 199112571, 209592180, 221236190, 237038775, 261990225, 265483428, 284446530, 316051700, 331854285, 349320300, 398225142, 442472380, 474077550, 523980450, 553090475, 568893060, 663708570, 711116325, 796450284, 948155100, 995562855, 1047960900, 1106180950, 1327417140, 1422232650, 1659271425, 1991125710, 2212361900, 2844465300, 3318542850, 3982251420, 4977814275, 6637085700, 9955628550, 19911257100]

約数ペア:

[(1, 19911257100), (2, 9955628550), (3, 6637085700), (4, 4977814275), (5, 3982251420), (6, 3318542850), (7, 2844465300), (9, 2212361900), (10, 1991125710), (12, 1659271425), (14, 1422232650), (15, 1327417140), (18, 1106180950), (19, 1047960900), (20, 995562855), (21, 948155100), (25, 796450284), (28, 711116325), (30, 663708570), (35, 568893060), (36, 553090475), (38, 523980450), (42, 474077550), (45, 442472380), (50, 398225142), (57, 349320300), (60, 331854285), (63, 316051700), (70, 284446530), (75, 265483428), (76, 261990225), (84, 237038775), (90, 221236190), (95, 209592180), (100, 199112571), (105, 189631020), (114, 174660150), (126, 158025850), (133, 149708700), (140, 142223265), (150, 132741714), (171, 116440100), (175, 113778612), (180, 110618095), (190, 104796090), (210, 94815510), (225, 88494476), (228, 87330075), (252, 79012925), (266, 74854350), (285, 69864060), (300, 66370857), (315, 63210340), (342, 58220050), (350, 56889306), (380, 52398045), (397, 50154300), (399, 49902900), (419, 47520900), (420, 47407755), (450, 44247238), (475, 41918436), (525, 37926204), (532, 37427175), (570, 34932030), (630, 31605170), (665, 29941740), (684, 29110025), (700, 28444653), (794, 25077150), (798, 24951450), (838, 23760450), (855, 23288020), (900, 22123619), (950, 20959218), (1050, 18963102), (1140, 17466015), (1191, 16718100), (1197, 16634300), (1257, 15840300), (1260, 15802585), (1330, 14970870), (1425, 13972812), (1575, 12642068), (1588, 12538575), (1596, 12475725), (1676, 11880225), (1710, 11644010), (1900, 10479609), (1985, 10030860), (1995, 9980580), (2095, 9504180), (2100, 9481551), (2382, 8359050), (2394, 8317150), (2514, 7920150), (2660, 7485435), (2779, 7164900), (2850, 6986406), (2933, 6788700), (3150, 6321034), (3325, 5988348), (3420, 5822005), (3573, 5572700), (3771, 5280100), (3970, 5015430), (3990, 4990290), (4190, 4752090), (4275, 4657604), (4764, 4179525), (4788, 4158575), (5028, 3960075), (5558, 3582450), (5700, 3493203), (5866, 3394350), (5955, 3343620), (5985, 3326860), (6285, 3168060), (6300, 3160517), (6650, 2994174), (7146, 2786350), (7542, 2640050), (7543, 2639700), (7940, 2507715), (7961, 2501100), (7980, 2495145), (8337, 2388300), (8380, 2376045), (8550, 2328802), (8799, 2262900), (9925, 2006172), (9975, 1996116), (10475, 1900836), (11116, 1791225), (11732, 1697175), (11910, 1671810), (11970, 1663430), (12570, 1584030), (13300, 1497087), (13895, 1432980), (14292, 1393175), (14665, 1357740), (15084, 1320025), (15086, 1319850), (15922, 1250550), (16674, 1194150), (17100, 1164401), (17598, 1131450), (17865, 1114540), (18855, 1056020), (19850, 1003086), (19950, 998058), (20950, 950418), (22629, 879900), (23820, 835905), (23883, 833700), (23940, 831715), (25011, 796100), (25140, 792015), (26397, 754300), (27790, 716490), (29330, 678870), (29775, 668724), (29925, 665372), (30172, 659925), (31425, 633612), (31844, 625275), (33348, 597075), (35196, 565725), (35730, 557270), (37710, 528010), (37715, 527940), (39700, 501543), (39805, 500220), (39900, 499029), (41685, 477660), (41900, 475209), (43995, 452580), (45258, 439950), (47766, 416850), (50022, 398050), (52794, 377150), (52801, 377100), (55580, 358245), (55727, 357300), (58660, 339435), (59550, 334362), (59850, 332686), (62850, 316806), (67887, 293300), (69475, 286596), (71460, 278635), (71649, 277900), (73325, 271548), (75420, 264005), (75430, 263970), (79610, 250110), (83370, 238830), (87990, 226290), (89325, 222908), (90516, 219975), (94275, 211204), (95532, 208425), (100044, 199025), (105588, 188575), (105602, 188550), (111454, 178650), (113145, 175980), (119100, 167181), (119415, 166740), (119700, 166343), (125055, 159220), (125700, 158403), (131985, 150860), (135774, 146650), (138950, 143298)]