318725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:101

約数の個数: 24

約数和(自身を含む): 461280

約数和(自身を除く): 142555

約数列:

[1, 5, 11, 19, 25, 55, 61, 95, 209, 275, 305, 475, 671, 1045, 1159, 1525, 3355, 5225, 5795, 12749, 16775, 28975, 63745, 318725]

約数ペア:

[(1, 318725), (5, 63745), (11, 28975), (19, 16775), (25, 12749), (55, 5795), (61, 5225), (95, 3355), (209, 1525), (275, 1159), (305, 1045), (475, 671)]