57912820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{727}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 139426560

約数和(自身を除く): 81513740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 569, 727, 1138, 1454, 2276, 2845, 2908, 3635, 3983, 5089, 5690, 7270, 7966, 10178, 11380, 14540, 15932, 19915, 20356, 25445, 39830, 50890, 79660, 101780, 413663, 827326, 1654652, 2068315, 2895641, 4136630, 5791282, 8273260, 11582564, 14478205, 28956410, 57912820]

約数ペア:

[(1, 57912820), (2, 28956410), (4, 14478205), (5, 11582564), (7, 8273260), (10, 5791282), (14, 4136630), (20, 2895641), (28, 2068315), (35, 1654652), (70, 827326), (140, 413663), (569, 101780), (727, 79660), (1138, 50890), (1454, 39830), (2276, 25445), (2845, 20356), (2908, 19915), (3635, 15932), (3983, 14540), (5089, 11380), (5690, 10178), (7270, 7966)]