139240

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^2$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 318690

約数和(自身を除く): 179450

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 3481, 6962, 13924, 17405, 27848, 34810, 69620, 139240]

約数ペア:

[(1, 139240), (2, 69620), (4, 34810), (5, 27848), (8, 17405), (10, 13924), (20, 6962), (40, 3481), (59, 2360), (118, 1180), (236, 590), (295, 472)]