789716620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{512803}}^1$

素因数の和:512830

約数の個数: 48

約数和(自身を含む): 2067625728

約数和(自身を除く): 1277909108

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 512803, 1025606, 2051212, 2564015, 3589621, 5128030, 5640833, 7179242, 10256060, 11281666, 14358484, 17948105, 22563332, 28204165, 35896210, 39485831, 56408330, 71792420, 78971662, 112816660, 157943324, 197429155, 394858310, 789716620]

約数ペア:

[(1, 789716620), (2, 394858310), (4, 197429155), (5, 157943324), (7, 112816660), (10, 78971662), (11, 71792420), (14, 56408330), (20, 39485831), (22, 35896210), (28, 28204165), (35, 22563332), (44, 17948105), (55, 14358484), (70, 11281666), (77, 10256060), (110, 7179242), (140, 5640833), (154, 5128030), (220, 3589621), (308, 2564015), (385, 2051212), (770, 1025606), (1540, 512803)]