19993663900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:825

約数の個数: 288

約数和(自身を含む): 54716497920

約数和(自身を除く): 34722834020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 31, 35, 38, 50, 62, 70, 71, 76, 95, 100, 124, 133, 140, 142, 155, 175, 190, 217, 266, 284, 310, 350, 355, 380, 434, 475, 497, 532, 589, 620, 665, 683, 700, 710, 775, 868, 950, 994, 1085, 1178, 1330, 1349, 1366, 1420, 1550, 1775, 1900, 1988, 2170, 2201, 2356, 2485, 2660, 2698, 2732, 2945, 3100, 3325, 3415, 3550, 4123, 4340, 4402, 4781, 4970, 5396, 5425, 5890, 6650, 6745, 6830, 7100, 8246, 8804, 9443, 9562, 9940, 10850, 11005, 11780, 12425, 12977, 13300, 13490, 13660, 14725, 15407, 16492, 17075, 18886, 19124, 20615, 21173, 21700, 22010, 23905, 24850, 25954, 26980, 29450, 30814, 33725, 34150, 37772, 41230, 41819, 42346, 44020, 47215, 47810, 48493, 49700, 51908, 55025, 58900, 61628, 64885, 67450, 68300, 77035, 82460, 83638, 84692, 90839, 94430, 95620, 96986, 103075, 105865, 110050, 119525, 129770, 134900, 148211, 154070, 167276, 181678, 188860, 193972, 206150, 209095, 211730, 220100, 236075, 239050, 242465, 259540, 292733, 296422, 308140, 324425, 339451, 363356, 385175, 402287, 412300, 418190, 423460, 454195, 472150, 478100, 484930, 529325, 585466, 592844, 648850, 678902, 741055, 770350, 804574, 836380, 908390, 921367, 944300, 969860, 1045475, 1058650, 1170932, 1212325, 1297700, 1357804, 1463665, 1482110, 1503283, 1540700, 1609148, 1697255, 1816780, 1842734, 2011435, 2090950, 2117300, 2270975, 2424650, 2816009, 2927330, 2964220, 3006566, 3394510, 3685468, 3705275, 4022870, 4181900, 4541950, 4606835, 4849300, 5632018, 5854660, 6013132, 6449569, 6789020, 7318325, 7410550, 7516415, 8045740, 8486275, 9083900, 9213670, 10057175, 10522981, 11264036, 12899138, 14080045, 14636650, 14821100, 15032830, 16972550, 18427340, 20114350, 21045962, 23034175, 25798276, 28160090, 28562377, 29273300, 30065660, 32247845, 33945100, 37582075, 40228700, 42091924, 46068350, 52614905, 56320180, 57124754, 64495690, 70400225, 75164150, 92136700, 105229810, 114249508, 128991380, 140800450, 142811885, 150328300, 161239225, 199936639, 210459620, 263074525, 281600900, 285623770, 322478450, 399873278, 526149050, 571247540, 644956900, 714059425, 799746556, 999683195, 1052298100, 1428118850, 1999366390, 2856237700, 3998732780, 4998415975, 9996831950, 19993663900]

約数ペア:

[(1, 19993663900), (2, 9996831950), (4, 4998415975), (5, 3998732780), (7, 2856237700), (10, 1999366390), (14, 1428118850), (19, 1052298100), (20, 999683195), (25, 799746556), (28, 714059425), (31, 644956900), (35, 571247540), (38, 526149050), (50, 399873278), (62, 322478450), (70, 285623770), (71, 281600900), (76, 263074525), (95, 210459620), (100, 199936639), (124, 161239225), (133, 150328300), (140, 142811885), (142, 140800450), (155, 128991380), (175, 114249508), (190, 105229810), (217, 92136700), (266, 75164150), (284, 70400225), (310, 64495690), (350, 57124754), (355, 56320180), (380, 52614905), (434, 46068350), (475, 42091924), (497, 40228700), (532, 37582075), (589, 33945100), (620, 32247845), (665, 30065660), (683, 29273300), (700, 28562377), (710, 28160090), (775, 25798276), (868, 23034175), (950, 21045962), (994, 20114350), (1085, 18427340), (1178, 16972550), (1330, 15032830), (1349, 14821100), (1366, 14636650), (1420, 14080045), (1550, 12899138), (1775, 11264036), (1900, 10522981), (1988, 10057175), (2170, 9213670), (2201, 9083900), (2356, 8486275), (2485, 8045740), (2660, 7516415), (2698, 7410550), (2732, 7318325), (2945, 6789020), (3100, 6449569), (3325, 6013132), (3415, 5854660), (3550, 5632018), (4123, 4849300), (4340, 4606835), (4402, 4541950), (4781, 4181900), (4970, 4022870), (5396, 3705275), (5425, 3685468), (5890, 3394510), (6650, 3006566), (6745, 2964220), (6830, 2927330), (7100, 2816009), (8246, 2424650), (8804, 2270975), (9443, 2117300), (9562, 2090950), (9940, 2011435), (10850, 1842734), (11005, 1816780), (11780, 1697255), (12425, 1609148), (12977, 1540700), (13300, 1503283), (13490, 1482110), (13660, 1463665), (14725, 1357804), (15407, 1297700), (16492, 1212325), (17075, 1170932), (18886, 1058650), (19124, 1045475), (20615, 969860), (21173, 944300), (21700, 921367), (22010, 908390), (23905, 836380), (24850, 804574), (25954, 770350), (26980, 741055), (29450, 678902), (30814, 648850), (33725, 592844), (34150, 585466), (37772, 529325), (41230, 484930), (41819, 478100), (42346, 472150), (44020, 454195), (47215, 423460), (47810, 418190), (48493, 412300), (49700, 402287), (51908, 385175), (55025, 363356), (58900, 339451), (61628, 324425), (64885, 308140), (67450, 296422), (68300, 292733), (77035, 259540), (82460, 242465), (83638, 239050), (84692, 236075), (90839, 220100), (94430, 211730), (95620, 209095), (96986, 206150), (103075, 193972), (105865, 188860), (110050, 181678), (119525, 167276), (129770, 154070), (134900, 148211)]