18708500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 45287424

約数和(自身を除く): 26578924

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 71, 85, 100, 124, 125, 142, 155, 170, 250, 284, 310, 340, 355, 425, 500, 527, 620, 710, 775, 850, 1054, 1207, 1420, 1550, 1700, 1775, 2108, 2125, 2201, 2414, 2635, 3100, 3550, 3875, 4250, 4402, 4828, 5270, 6035, 7100, 7750, 8500, 8804, 8875, 10540, 11005, 12070, 13175, 15500, 17750, 22010, 24140, 26350, 30175, 35500, 37417, 44020, 52700, 55025, 60350, 65875, 74834, 110050, 120700, 131750, 149668, 150875, 187085, 220100, 263500, 275125, 301750, 374170, 550250, 603500, 748340, 935425, 1100500, 1870850, 3741700, 4677125, 9354250, 18708500]

約数ペア:

[(1, 18708500), (2, 9354250), (4, 4677125), (5, 3741700), (10, 1870850), (17, 1100500), (20, 935425), (25, 748340), (31, 603500), (34, 550250), (50, 374170), (62, 301750), (68, 275125), (71, 263500), (85, 220100), (100, 187085), (124, 150875), (125, 149668), (142, 131750), (155, 120700), (170, 110050), (250, 74834), (284, 65875), (310, 60350), (340, 55025), (355, 52700), (425, 44020), (500, 37417), (527, 35500), (620, 30175), (710, 26350), (775, 24140), (850, 22010), (1054, 17750), (1207, 15500), (1420, 13175), (1550, 12070), (1700, 11005), (1775, 10540), (2108, 8875), (2125, 8804), (2201, 8500), (2414, 7750), (2635, 7100), (3100, 6035), (3550, 5270), (3875, 4828), (4250, 4402)]