205991710

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{1091}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 377395200

約数和(自身を除く): 171403490

約数列:

[1, 2, 5, 10, 79, 158, 239, 395, 478, 790, 1091, 1195, 2182, 2390, 5455, 10910, 18881, 37762, 86189, 94405, 172378, 188810, 260749, 430945, 521498, 861890, 1303745, 2607490, 20599171, 41198342, 102995855, 205991710]

約数ペア:

[(1, 205991710), (2, 102995855), (5, 41198342), (10, 20599171), (79, 2607490), (158, 1303745), (239, 861890), (395, 521498), (478, 430945), (790, 260749), (1091, 188810), (1195, 172378), (2182, 94405), (2390, 86189), (5455, 37762), (10910, 18881)]