66703750

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 80

約数和(自身を含む): 137318544

約数和(自身を除く): 70614794

約数列:

[1, 2, 5, 10, 17, 25, 34, 43, 50, 73, 85, 86, 125, 146, 170, 215, 250, 365, 425, 430, 625, 730, 731, 850, 1075, 1241, 1250, 1462, 1825, 2125, 2150, 2482, 3139, 3650, 3655, 4250, 5375, 6205, 6278, 7310, 9125, 10625, 10750, 12410, 15695, 18250, 18275, 21250, 26875, 31025, 31390, 36550, 45625, 53363, 53750, 62050, 78475, 91250, 91375, 106726, 155125, 156950, 182750, 266815, 310250, 392375, 456875, 533630, 775625, 784750, 913750, 1334075, 1551250, 1961875, 2668150, 3923750, 6670375, 13340750, 33351875, 66703750]

約数ペア:

[(1, 66703750), (2, 33351875), (5, 13340750), (10, 6670375), (17, 3923750), (25, 2668150), (34, 1961875), (43, 1551250), (50, 1334075), (73, 913750), (85, 784750), (86, 775625), (125, 533630), (146, 456875), (170, 392375), (215, 310250), (250, 266815), (365, 182750), (425, 156950), (430, 155125), (625, 106726), (730, 91375), (731, 91250), (850, 78475), (1075, 62050), (1241, 53750), (1250, 53363), (1462, 45625), (1825, 36550), (2125, 31390), (2150, 31025), (2482, 26875), (3139, 21250), (3650, 18275), (3655, 18250), (4250, 15695), (5375, 12410), (6205, 10750), (6278, 10625), (7310, 9125)]