620030120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{1637}}^1$

素因数の和:2222

約数の個数: 64

約数和(自身を含む): 1480686480

約数和(自身を除く): 860656360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 557, 680, 1114, 1637, 2228, 2785, 3274, 4456, 5570, 6548, 8185, 9469, 11140, 13096, 16370, 18938, 22280, 27829, 32740, 37876, 47345, 55658, 65480, 75752, 94690, 111316, 139145, 189380, 222632, 278290, 378760, 556580, 911809, 1113160, 1823618, 3647236, 4559045, 7294472, 9118090, 15500753, 18236180, 31001506, 36472360, 62003012, 77503765, 124006024, 155007530, 310015060, 620030120]

約数ペア:

[(1, 620030120), (2, 310015060), (4, 155007530), (5, 124006024), (8, 77503765), (10, 62003012), (17, 36472360), (20, 31001506), (34, 18236180), (40, 15500753), (68, 9118090), (85, 7294472), (136, 4559045), (170, 3647236), (340, 1823618), (557, 1113160), (680, 911809), (1114, 556580), (1637, 378760), (2228, 278290), (2785, 222632), (3274, 189380), (4456, 139145), (5570, 111316), (6548, 94690), (8185, 75752), (9469, 65480), (11140, 55658), (13096, 47345), (16370, 37876), (18938, 32740), (22280, 27829)]