1748020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 3725568

約数和(自身を除く): 1977548

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1231, 1420, 2462, 4924, 6155, 12310, 24620, 87401, 174802, 349604, 437005, 874010, 1748020]

約数ペア:

[(1, 1748020), (2, 874010), (4, 437005), (5, 349604), (10, 174802), (20, 87401), (71, 24620), (142, 12310), (284, 6155), (355, 4924), (710, 2462), (1231, 1420)]