55981490

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 102486384

約数和(自身を除く): 46504894

約数列:

[1, 2, 5, 10, 157, 181, 197, 314, 362, 394, 785, 905, 985, 1570, 1810, 1970, 28417, 30929, 35657, 56834, 61858, 71314, 142085, 154645, 178285, 284170, 309290, 356570, 5598149, 11196298, 27990745, 55981490]

約数ペア:

[(1, 55981490), (2, 27990745), (5, 11196298), (10, 5598149), (157, 356570), (181, 309290), (197, 284170), (314, 178285), (362, 154645), (394, 142085), (785, 71314), (905, 61858), (985, 56834), (1570, 35657), (1810, 30929), (1970, 28417)]