196388620

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{54251}}^1$

素因数の和:54441

約数の個数: 24

約数和(自身を含む): 414702288

約数和(自身を除く): 218313668

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 54251, 108502, 217004, 271255, 542510, 1085020, 9819431, 19638862, 39277724, 49097155, 98194310, 196388620]

約数ペア:

[(1, 196388620), (2, 98194310), (4, 49097155), (5, 39277724), (10, 19638862), (20, 9819431), (181, 1085020), (362, 542510), (724, 271255), (905, 217004), (1810, 108502), (3620, 54251)]