7942660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 18466560

約数和(自身を除く): 10523900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 457, 790, 869, 914, 1580, 1738, 1828, 2285, 3476, 4345, 4570, 5027, 8690, 9140, 10054, 17380, 20108, 25135, 36103, 50270, 72206, 100540, 144412, 180515, 361030, 397133, 722060, 794266, 1588532, 1985665, 3971330, 7942660]

約数ペア:

[(1, 7942660), (2, 3971330), (4, 1985665), (5, 1588532), (10, 794266), (11, 722060), (20, 397133), (22, 361030), (44, 180515), (55, 144412), (79, 100540), (110, 72206), (158, 50270), (220, 36103), (316, 25135), (395, 20108), (457, 17380), (790, 10054), (869, 9140), (914, 8690), (1580, 5027), (1738, 4570), (1828, 4345), (2285, 3476)]