807580

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 1713600

約数和(自身を除く): 906020

約数列:

[1, 2, 4, 5, 10, 20, 149, 271, 298, 542, 596, 745, 1084, 1355, 1490, 2710, 2980, 5420, 40379, 80758, 161516, 201895, 403790, 807580]

約数ペア:

[(1, 807580), (2, 403790), (4, 201895), (5, 161516), (10, 80758), (20, 40379), (149, 5420), (271, 2980), (298, 2710), (542, 1490), (596, 1355), (745, 1084)]