7881620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 17418240

約数和(自身を除く): 9536620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 107, 116, 127, 145, 214, 254, 290, 428, 508, 535, 580, 635, 1070, 1270, 2140, 2540, 3103, 3683, 6206, 7366, 12412, 13589, 14732, 15515, 18415, 27178, 31030, 36830, 54356, 62060, 67945, 73660, 135890, 271780, 394081, 788162, 1576324, 1970405, 3940810, 7881620]

約数ペア:

[(1, 7881620), (2, 3940810), (4, 1970405), (5, 1576324), (10, 788162), (20, 394081), (29, 271780), (58, 135890), (107, 73660), (116, 67945), (127, 62060), (145, 54356), (214, 36830), (254, 31030), (290, 27178), (428, 18415), (508, 15515), (535, 14732), (580, 13589), (635, 12412), (1070, 7366), (1270, 6206), (2140, 3683), (2540, 3103)]