280960490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{395719}}^1$

素因数の和:395797

約数の個数: 16

約数和(自身を含む): 512853120

約数和(自身を除く): 231892630

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 395719, 791438, 1978595, 3957190, 28096049, 56192098, 140480245, 280960490]

約数ペア:

[(1, 280960490), (2, 140480245), (5, 56192098), (10, 28096049), (71, 3957190), (142, 1978595), (355, 791438), (710, 395719)]