237980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 509712

約数和(自身を除く): 271732

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 163, 292, 326, 365, 652, 730, 815, 1460, 1630, 3260, 11899, 23798, 47596, 59495, 118990, 237980]

約数ペア:

[(1, 237980), (2, 118990), (4, 59495), (5, 47596), (10, 23798), (20, 11899), (73, 3260), (146, 1630), (163, 1460), (292, 815), (326, 730), (365, 652)]