299620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 641088

約数和(自身を除く): 341468

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 211, 284, 355, 422, 710, 844, 1055, 1420, 2110, 4220, 14981, 29962, 59924, 74905, 149810, 299620]

約数ペア:

[(1, 299620), (2, 149810), (4, 74905), (5, 59924), (10, 29962), (20, 14981), (71, 4220), (142, 2110), (211, 1420), (284, 1055), (355, 844), (422, 710)]