90854570

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 166138560

約数和(自身を除く): 75283990

約数列:

[1, 2, 5, 10, 139, 163, 278, 326, 401, 695, 802, 815, 1390, 1630, 2005, 4010, 22657, 45314, 55739, 65363, 111478, 113285, 130726, 226570, 278695, 326815, 557390, 653630, 9085457, 18170914, 45427285, 90854570]

約数ペア:

[(1, 90854570), (2, 45427285), (5, 18170914), (10, 9085457), (139, 653630), (163, 557390), (278, 326815), (326, 278695), (401, 226570), (695, 130726), (802, 113285), (815, 111478), (1390, 65363), (1630, 55739), (2005, 45314), (4010, 22657)]