154937620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109111}}^1$

素因数の和:109191

約数の個数: 24

約数和(自身を含む): 329954688

約数和(自身を除く): 175017068

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 109111, 218222, 436444, 545555, 1091110, 2182220, 7746881, 15493762, 30987524, 38734405, 77468810, 154937620]

約数ペア:

[(1, 154937620), (2, 77468810), (4, 38734405), (5, 30987524), (10, 15493762), (20, 7746881), (71, 2182220), (142, 1091110), (284, 545555), (355, 436444), (710, 218222), (1420, 109111)]