68805220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2099}}^1$

素因数の和:2268

約数の個数: 48

約数和(自身を含む): 158760000

約数和(自身を除く): 89954780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2099, 2980, 3278, 4198, 6556, 8195, 8396, 10495, 16390, 20990, 23089, 32780, 41980, 46178, 92356, 115445, 230890, 312751, 461780, 625502, 1251004, 1563755, 3127510, 3440261, 6255020, 6880522, 13761044, 17201305, 34402610, 68805220]

約数ペア:

[(1, 68805220), (2, 34402610), (4, 17201305), (5, 13761044), (10, 6880522), (11, 6255020), (20, 3440261), (22, 3127510), (44, 1563755), (55, 1251004), (110, 625502), (149, 461780), (220, 312751), (298, 230890), (596, 115445), (745, 92356), (1490, 46178), (1639, 41980), (2099, 32780), (2980, 23089), (3278, 20990), (4198, 16390), (6556, 10495), (8195, 8396)]