190055420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{306541}}^1$

素因数の和:306581

約数の個数: 24

約数和(自身を含む): 411992448

約数和(自身を除く): 221937028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 306541, 613082, 1226164, 1532705, 3065410, 6130820, 9502771, 19005542, 38011084, 47513855, 95027710, 190055420]

約数ペア:

[(1, 190055420), (2, 95027710), (4, 47513855), (5, 38011084), (10, 19005542), (20, 9502771), (31, 6130820), (62, 3065410), (124, 1532705), (155, 1226164), (310, 613082), (620, 306541)]