531796780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{15031}}^1$

素因数の和:15130

約数の個数: 48

約数和(自身を含む): 1174299840

約数和(自身を除く): 642503060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 3538, 7076, 8845, 15031, 17690, 30062, 35380, 60124, 75155, 150310, 300620, 435899, 871798, 916891, 1743596, 1833782, 2179495, 3667564, 4358990, 4584455, 8717980, 9168910, 18337820, 26589839, 53179678, 106359356, 132949195, 265898390, 531796780]

約数ペア:

[(1, 531796780), (2, 265898390), (4, 132949195), (5, 106359356), (10, 53179678), (20, 26589839), (29, 18337820), (58, 9168910), (61, 8717980), (116, 4584455), (122, 4358990), (145, 3667564), (244, 2179495), (290, 1833782), (305, 1743596), (580, 916891), (610, 871798), (1220, 435899), (1769, 300620), (3538, 150310), (7076, 75155), (8845, 60124), (15031, 35380), (17690, 30062)]