57121820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1693}}^1$

素因数の和:1950

約数の個数: 48

約数和(自身を含む): 137742528

約数和(自身を除く): 80620708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1205, 1687, 1693, 2410, 3374, 3386, 4820, 6748, 6772, 8435, 8465, 11851, 16870, 16930, 23702, 33740, 33860, 47404, 59255, 118510, 237020, 408013, 816026, 1632052, 2040065, 2856091, 4080130, 5712182, 8160260, 11424364, 14280455, 28560910, 57121820]

約数ペア:

[(1, 57121820), (2, 28560910), (4, 14280455), (5, 11424364), (7, 8160260), (10, 5712182), (14, 4080130), (20, 2856091), (28, 2040065), (35, 1632052), (70, 816026), (140, 408013), (241, 237020), (482, 118510), (964, 59255), (1205, 47404), (1687, 33860), (1693, 33740), (2410, 23702), (3374, 16930), (3386, 16870), (4820, 11851), (6748, 8465), (6772, 8435)]