28459060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{203279}}^1$

素因数の和:203295

約数の個数: 24

約数和(自身を含む): 68302080

約数和(自身を除く): 39843020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 203279, 406558, 813116, 1016395, 1422953, 2032790, 2845906, 4065580, 5691812, 7114765, 14229530, 28459060]

約数ペア:

[(1, 28459060), (2, 14229530), (4, 7114765), (5, 5691812), (7, 4065580), (10, 2845906), (14, 2032790), (20, 1422953), (28, 1016395), (35, 813116), (70, 406558), (140, 203279)]