215057420

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{17041}}^1$

素因数の和:17681

約数の個数: 24

約数和(自身を含む): 452362848

約数和(自身を除く): 237305428

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 12620, 17041, 34082, 68164, 85205, 170410, 340820, 10752871, 21505742, 43011484, 53764355, 107528710, 215057420]

約数ペア:

[(1, 215057420), (2, 107528710), (4, 53764355), (5, 43011484), (10, 21505742), (20, 10752871), (631, 340820), (1262, 170410), (2524, 85205), (3155, 68164), (6310, 34082), (12620, 17041)]