68237890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2963}}^1$

素因数の和:3031

約数の個数: 48

約数和(自身を含む): 145971072

約数和(自身を除く): 77733182

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 49, 70, 94, 98, 235, 245, 329, 470, 490, 658, 1645, 2303, 2963, 3290, 4606, 5926, 11515, 14815, 20741, 23030, 29630, 41482, 103705, 139261, 145187, 207410, 278522, 290374, 696305, 725935, 974827, 1392610, 1451870, 1949654, 4874135, 6823789, 9748270, 13647578, 34118945, 68237890]

約数ペア:

[(1, 68237890), (2, 34118945), (5, 13647578), (7, 9748270), (10, 6823789), (14, 4874135), (35, 1949654), (47, 1451870), (49, 1392610), (70, 974827), (94, 725935), (98, 696305), (235, 290374), (245, 278522), (329, 207410), (470, 145187), (490, 139261), (658, 103705), (1645, 41482), (2303, 29630), (2963, 23030), (3290, 20741), (4606, 14815), (5926, 11515)]