87218500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 208825344

約数和(自身を除く): 121606844

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 125, 155, 170, 250, 310, 331, 340, 425, 500, 527, 620, 662, 775, 850, 1054, 1324, 1550, 1655, 1700, 2108, 2125, 2635, 3100, 3310, 3875, 4250, 5270, 5627, 6620, 7750, 8275, 8500, 10261, 10540, 11254, 13175, 15500, 16550, 20522, 22508, 26350, 28135, 33100, 41044, 41375, 51305, 52700, 56270, 65875, 82750, 102610, 112540, 131750, 140675, 165500, 174437, 205220, 256525, 263500, 281350, 348874, 513050, 562700, 697748, 703375, 872185, 1026100, 1282625, 1406750, 1744370, 2565250, 2813500, 3488740, 4360925, 5130500, 8721850, 17443700, 21804625, 43609250, 87218500]

約数ペア:

[(1, 87218500), (2, 43609250), (4, 21804625), (5, 17443700), (10, 8721850), (17, 5130500), (20, 4360925), (25, 3488740), (31, 2813500), (34, 2565250), (50, 1744370), (62, 1406750), (68, 1282625), (85, 1026100), (100, 872185), (124, 703375), (125, 697748), (155, 562700), (170, 513050), (250, 348874), (310, 281350), (331, 263500), (340, 256525), (425, 205220), (500, 174437), (527, 165500), (620, 140675), (662, 131750), (775, 112540), (850, 102610), (1054, 82750), (1324, 65875), (1550, 56270), (1655, 52700), (1700, 51305), (2108, 41375), (2125, 41044), (2635, 33100), (3100, 28135), (3310, 26350), (3875, 22508), (4250, 20522), (5270, 16550), (5627, 15500), (6620, 13175), (7750, 11254), (8275, 10540), (8500, 10261)]