401026460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{282413}}^1$

素因数の和:282493

約数の個数: 24

約数和(自身を含む): 854019936

約数和(自身を除く): 452993476

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 282413, 564826, 1129652, 1412065, 2824130, 5648260, 20051323, 40102646, 80205292, 100256615, 200513230, 401026460]

約数ペア:

[(1, 401026460), (2, 200513230), (4, 100256615), (5, 80205292), (10, 40102646), (20, 20051323), (71, 5648260), (142, 2824130), (284, 1412065), (355, 1129652), (710, 564826), (1420, 282413)]