77684660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{877}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 168744576

約数和(自身を除く): 91059916

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 103, 172, 206, 215, 412, 430, 515, 860, 877, 1030, 1754, 2060, 3508, 4385, 4429, 8770, 8858, 17540, 17716, 22145, 37711, 44290, 75422, 88580, 90331, 150844, 180662, 188555, 361324, 377110, 451655, 754220, 903310, 1806620, 3884233, 7768466, 15536932, 19421165, 38842330, 77684660]

約数ペア:

[(1, 77684660), (2, 38842330), (4, 19421165), (5, 15536932), (10, 7768466), (20, 3884233), (43, 1806620), (86, 903310), (103, 754220), (172, 451655), (206, 377110), (215, 361324), (412, 188555), (430, 180662), (515, 150844), (860, 90331), (877, 88580), (1030, 75422), (1754, 44290), (2060, 37711), (3508, 22145), (4385, 17716), (4429, 17540), (8770, 8858)]