30831490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{617}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 58734720

約数和(自身を除く): 27903230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 263, 526, 617, 1234, 1315, 2630, 3085, 4997, 6170, 9994, 11723, 23446, 24985, 49970, 58615, 117230, 162271, 324542, 811355, 1622710, 3083149, 6166298, 15415745, 30831490]

約数ペア:

[(1, 30831490), (2, 15415745), (5, 6166298), (10, 3083149), (19, 1622710), (38, 811355), (95, 324542), (190, 162271), (263, 117230), (526, 58615), (617, 49970), (1234, 24985), (1315, 23446), (2630, 11723), (3085, 9994), (4997, 6170)]