90381900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 301758464

約数和(自身を除く): 211376564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 193, 210, 223, 300, 350, 386, 420, 446, 525, 579, 669, 700, 772, 892, 965, 1050, 1115, 1158, 1338, 1351, 1561, 1930, 2100, 2230, 2316, 2676, 2702, 2895, 3122, 3345, 3860, 4053, 4460, 4683, 4825, 5404, 5575, 5790, 6244, 6690, 6755, 7805, 8106, 9366, 9650, 11150, 11580, 13380, 13510, 14475, 15610, 16212, 16725, 18732, 19300, 20265, 22300, 23415, 27020, 28950, 31220, 33450, 33775, 39025, 40530, 43039, 46830, 57900, 66900, 67550, 78050, 81060, 86078, 93660, 101325, 117075, 129117, 135100, 156100, 172156, 202650, 215195, 234150, 258234, 301273, 405300, 430390, 468300, 516468, 602546, 645585, 860780, 903819, 1075975, 1205092, 1291170, 1506365, 1807638, 2151950, 2582340, 3012730, 3227925, 3615276, 4303900, 4519095, 6025460, 6455850, 7531825, 9038190, 12911700, 15063650, 18076380, 22595475, 30127300, 45190950, 90381900]

約数ペア:

[(1, 90381900), (2, 45190950), (3, 30127300), (4, 22595475), (5, 18076380), (6, 15063650), (7, 12911700), (10, 9038190), (12, 7531825), (14, 6455850), (15, 6025460), (20, 4519095), (21, 4303900), (25, 3615276), (28, 3227925), (30, 3012730), (35, 2582340), (42, 2151950), (50, 1807638), (60, 1506365), (70, 1291170), (75, 1205092), (84, 1075975), (100, 903819), (105, 860780), (140, 645585), (150, 602546), (175, 516468), (193, 468300), (210, 430390), (223, 405300), (300, 301273), (350, 258234), (386, 234150), (420, 215195), (446, 202650), (525, 172156), (579, 156100), (669, 135100), (700, 129117), (772, 117075), (892, 101325), (965, 93660), (1050, 86078), (1115, 81060), (1158, 78050), (1338, 67550), (1351, 66900), (1561, 57900), (1930, 46830), (2100, 43039), (2230, 40530), (2316, 39025), (2676, 33775), (2702, 33450), (2895, 31220), (3122, 28950), (3345, 27020), (3860, 23415), (4053, 22300), (4460, 20265), (4683, 19300), (4825, 18732), (5404, 16725), (5575, 16212), (5790, 15610), (6244, 14475), (6690, 13510), (6755, 13380), (7805, 11580), (8106, 11150), (9366, 9650)]