128425250

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 252675072

約数和(自身を除く): 124249822

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 73, 125, 146, 155, 227, 250, 310, 365, 454, 730, 775, 1135, 1550, 1825, 2263, 2270, 3650, 3875, 4526, 5675, 7037, 7750, 9125, 11315, 11350, 14074, 16571, 18250, 22630, 28375, 33142, 35185, 56575, 56750, 70370, 82855, 113150, 165710, 175925, 282875, 351850, 414275, 513701, 565750, 828550, 879625, 1027402, 1759250, 2071375, 2568505, 4142750, 5137010, 12842525, 25685050, 64212625, 128425250]

約数ペア:

[(1, 128425250), (2, 64212625), (5, 25685050), (10, 12842525), (25, 5137010), (31, 4142750), (50, 2568505), (62, 2071375), (73, 1759250), (125, 1027402), (146, 879625), (155, 828550), (227, 565750), (250, 513701), (310, 414275), (365, 351850), (454, 282875), (730, 175925), (775, 165710), (1135, 113150), (1550, 82855), (1825, 70370), (2263, 56750), (2270, 56575), (3650, 35185), (3875, 33142), (4526, 28375), (5675, 22630), (7037, 18250), (7750, 16571), (9125, 14074), (11315, 11350)]