85102750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 167731200

約数和(自身を除く): 82628450

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 79, 125, 139, 155, 158, 250, 278, 310, 395, 695, 775, 790, 1390, 1550, 1975, 2449, 3475, 3875, 3950, 4309, 4898, 6950, 7750, 8618, 9875, 10981, 12245, 17375, 19750, 21545, 21962, 24490, 34750, 43090, 54905, 61225, 107725, 109810, 122450, 215450, 274525, 306125, 340411, 538625, 549050, 612250, 680822, 1077250, 1372625, 1702055, 2745250, 3404110, 8510275, 17020550, 42551375, 85102750]

約数ペア:

[(1, 85102750), (2, 42551375), (5, 17020550), (10, 8510275), (25, 3404110), (31, 2745250), (50, 1702055), (62, 1372625), (79, 1077250), (125, 680822), (139, 612250), (155, 549050), (158, 538625), (250, 340411), (278, 306125), (310, 274525), (395, 215450), (695, 122450), (775, 109810), (790, 107725), (1390, 61225), (1550, 54905), (1975, 43090), (2449, 34750), (3475, 24490), (3875, 21962), (3950, 21545), (4309, 19750), (4898, 17375), (6950, 12245), (7750, 10981), (8618, 9875)]