2154530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4397}}^1$

素因数の和:4418

約数の個数: 24

約数和(自身を含む): 4512348

約数和(自身を除く): 2357818

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4397, 8794, 21985, 30779, 43970, 61558, 153895, 215453, 307790, 430906, 1077265, 2154530]

約数ペア:

[(1, 2154530), (2, 1077265), (5, 430906), (7, 307790), (10, 215453), (14, 153895), (35, 61558), (49, 43970), (70, 30779), (98, 21985), (245, 8794), (490, 4397)]