153403780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{1229}}^1$

素因数の和:1396

約数の個数: 36

約数和(自身を含む): 326542860

約数和(自身を除く): 173139080

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1229, 1580, 2458, 4916, 6145, 6241, 12290, 12482, 24580, 24964, 31205, 62410, 97091, 124820, 194182, 388364, 485455, 970910, 1941820, 7670189, 15340378, 30680756, 38350945, 76701890, 153403780]

約数ペア:

[(1, 153403780), (2, 76701890), (4, 38350945), (5, 30680756), (10, 15340378), (20, 7670189), (79, 1941820), (158, 970910), (316, 485455), (395, 388364), (790, 194182), (1229, 124820), (1580, 97091), (2458, 62410), (4916, 31205), (6145, 24964), (6241, 24580), (12290, 12482)]