1330403860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1\times {\mathrm{1223}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 2827440000

約数和(自身を除く): 1497036140

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 499, 545, 998, 1090, 1223, 1996, 2180, 2446, 2495, 4892, 4990, 6115, 9980, 12230, 24460, 54391, 108782, 133307, 217564, 266614, 271955, 533228, 543910, 610277, 666535, 1087820, 1220554, 1333070, 2441108, 2666140, 3051385, 6102770, 12205540, 66520193, 133040386, 266080772, 332600965, 665201930, 1330403860]

約数ペア:

[(1, 1330403860), (2, 665201930), (4, 332600965), (5, 266080772), (10, 133040386), (20, 66520193), (109, 12205540), (218, 6102770), (436, 3051385), (499, 2666140), (545, 2441108), (998, 1333070), (1090, 1220554), (1223, 1087820), (1996, 666535), (2180, 610277), (2446, 543910), (2495, 533228), (4892, 271955), (4990, 266614), (6115, 217564), (9980, 133307), (12230, 108782), (24460, 54391)]