201797620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{142111}}^1$

素因数の和:142191

約数の個数: 24

約数和(自身を含む): 429746688

約数和(自身を除く): 227949068

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 142111, 284222, 568444, 710555, 1421110, 2842220, 10089881, 20179762, 40359524, 50449405, 100898810, 201797620]

約数ペア:

[(1, 201797620), (2, 100898810), (4, 50449405), (5, 40359524), (10, 20179762), (20, 10089881), (71, 2842220), (142, 1421110), (284, 710555), (355, 568444), (710, 284222), (1420, 142111)]