722060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 1538880

約数和(自身を除く): 816820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 457, 790, 914, 1580, 1828, 2285, 4570, 9140, 36103, 72206, 144412, 180515, 361030, 722060]

約数ペア:

[(1, 722060), (2, 361030), (4, 180515), (5, 144412), (10, 72206), (20, 36103), (79, 9140), (158, 4570), (316, 2285), (395, 1828), (457, 1580), (790, 914)]