19999490940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{1021}}^1$

素因数の和:1821

約数の個数: 288

約数和(自身を含む): 71434464192

約数和(自身を除く): 51434973252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 761, 780, 858, 990, 1021, 1170, 1287, 1430, 1522, 1716, 1980, 2042, 2145, 2283, 2340, 2574, 2860, 3044, 3063, 3805, 4084, 4290, 4566, 5105, 5148, 6126, 6435, 6849, 7610, 8371, 8580, 9132, 9189, 9893, 10210, 11231, 11415, 12252, 12870, 13273, 13698, 15220, 15315, 16742, 18378, 19786, 20420, 22462, 22830, 25113, 25740, 26546, 27396, 29679, 30630, 33484, 33693, 34245, 36756, 39572, 39819, 41855, 44924, 45660, 45945, 49465, 50226, 53092, 56155, 59358, 61260, 66365, 67386, 68490, 75339, 79638, 83710, 89037, 91890, 98930, 100452, 101079, 108823, 112310, 118716, 119457, 125565, 132730, 134772, 136980, 146003, 148395, 150678, 159276, 167420, 168465, 178074, 183780, 197860, 199095, 202158, 217646, 224620, 238914, 251130, 265460, 292006, 296790, 301356, 326469, 336930, 356148, 376695, 398190, 404316, 435292, 438009, 445185, 477828, 502260, 505395, 544115, 584012, 593580, 597285, 652938, 673860, 730015, 753390, 776981, 796380, 876018, 890370, 979407, 1010790, 1088230, 1194570, 1305876, 1314027, 1460030, 1506780, 1553962, 1632345, 1752036, 1780740, 1958814, 2021580, 2176460, 2190045, 2330943, 2389140, 2628054, 2920060, 3107924, 3264690, 3884905, 3917628, 4380090, 4661886, 4897035, 5256108, 6529380, 6570135, 6992829, 7769810, 8546791, 8760180, 9323772, 9794070, 10100753, 11654715, 13140270, 13985658, 15539620, 17093582, 19588140, 20201506, 23309430, 25640373, 26280540, 27971316, 30302259, 34187164, 34964145, 40403012, 42733955, 46618860, 50503765, 51280746, 60604518, 69928290, 76921119, 85467910, 90906777, 101007530, 102561492, 111108283, 121209036, 128201865, 139856580, 151511295, 153842238, 170935820, 181813554, 202015060, 222216566, 256403730, 303022590, 307684476, 333324849, 363627108, 384605595, 444433132, 454533885, 512807460, 555541415, 606045180, 666649698, 769211190, 909067770, 999974547, 1111082830, 1333299396, 1538422380, 1666624245, 1818135540, 1999949094, 2222165660, 3333248490, 3999898188, 4999872735, 6666496980, 9999745470, 19999490940]

約数ペア:

[(1, 19999490940), (2, 9999745470), (3, 6666496980), (4, 4999872735), (5, 3999898188), (6, 3333248490), (9, 2222165660), (10, 1999949094), (11, 1818135540), (12, 1666624245), (13, 1538422380), (15, 1333299396), (18, 1111082830), (20, 999974547), (22, 909067770), (26, 769211190), (30, 666649698), (33, 606045180), (36, 555541415), (39, 512807460), (44, 454533885), (45, 444433132), (52, 384605595), (55, 363627108), (60, 333324849), (65, 307684476), (66, 303022590), (78, 256403730), (90, 222216566), (99, 202015060), (110, 181813554), (117, 170935820), (130, 153842238), (132, 151511295), (143, 139856580), (156, 128201865), (165, 121209036), (180, 111108283), (195, 102561492), (198, 101007530), (220, 90906777), (234, 85467910), (260, 76921119), (286, 69928290), (330, 60604518), (390, 51280746), (396, 50503765), (429, 46618860), (468, 42733955), (495, 40403012), (572, 34964145), (585, 34187164), (660, 30302259), (715, 27971316), (761, 26280540), (780, 25640373), (858, 23309430), (990, 20201506), (1021, 19588140), (1170, 17093582), (1287, 15539620), (1430, 13985658), (1522, 13140270), (1716, 11654715), (1980, 10100753), (2042, 9794070), (2145, 9323772), (2283, 8760180), (2340, 8546791), (2574, 7769810), (2860, 6992829), (3044, 6570135), (3063, 6529380), (3805, 5256108), (4084, 4897035), (4290, 4661886), (4566, 4380090), (5105, 3917628), (5148, 3884905), (6126, 3264690), (6435, 3107924), (6849, 2920060), (7610, 2628054), (8371, 2389140), (8580, 2330943), (9132, 2190045), (9189, 2176460), (9893, 2021580), (10210, 1958814), (11231, 1780740), (11415, 1752036), (12252, 1632345), (12870, 1553962), (13273, 1506780), (13698, 1460030), (15220, 1314027), (15315, 1305876), (16742, 1194570), (18378, 1088230), (19786, 1010790), (20420, 979407), (22462, 890370), (22830, 876018), (25113, 796380), (25740, 776981), (26546, 753390), (27396, 730015), (29679, 673860), (30630, 652938), (33484, 597285), (33693, 593580), (34245, 584012), (36756, 544115), (39572, 505395), (39819, 502260), (41855, 477828), (44924, 445185), (45660, 438009), (45945, 435292), (49465, 404316), (50226, 398190), (53092, 376695), (56155, 356148), (59358, 336930), (61260, 326469), (66365, 301356), (67386, 296790), (68490, 292006), (75339, 265460), (79638, 251130), (83710, 238914), (89037, 224620), (91890, 217646), (98930, 202158), (100452, 199095), (101079, 197860), (108823, 183780), (112310, 178074), (118716, 168465), (119457, 167420), (125565, 159276), (132730, 150678), (134772, 148395), (136980, 146003)]