157020090820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{253258211}}^1$

素因数の和:253258251

約数の個数: 24

約数和(自身を含む): 340379036928

約数和(自身を除く): 183358946108

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 253258211, 506516422, 1013032844, 1266291055, 2532582110, 5065164220, 7851004541, 15702009082, 31404018164, 39255022705, 78510045410, 157020090820]

約数ペア:

[(1, 157020090820), (2, 78510045410), (4, 39255022705), (5, 31404018164), (10, 15702009082), (20, 7851004541), (31, 5065164220), (62, 2532582110), (124, 1266291055), (155, 1013032844), (310, 506516422), (620, 253258211)]