68804780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{18397}}^1$

素因数の和:18434

約数の個数: 48

約数和(自身を含む): 166906656

約数和(自身を除く): 98101876

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 18397, 36794, 73588, 91985, 183970, 202367, 312749, 367940, 404734, 625498, 809468, 1011835, 1250996, 1563745, 2023670, 3127490, 3440239, 4047340, 6254980, 6880478, 13760956, 17201195, 34402390, 68804780]

約数ペア:

[(1, 68804780), (2, 34402390), (4, 17201195), (5, 13760956), (10, 6880478), (11, 6254980), (17, 4047340), (20, 3440239), (22, 3127490), (34, 2023670), (44, 1563745), (55, 1250996), (68, 1011835), (85, 809468), (110, 625498), (170, 404734), (187, 367940), (220, 312749), (340, 202367), (374, 183970), (748, 91985), (935, 73588), (1870, 36794), (3740, 18397)]