87578680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{44683}}^1$

素因数の和:44708

約数の個数: 48

約数和(自身を含む): 229228920

約数和(自身を除く): 141650240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 44683, 89366, 178732, 223415, 312781, 357464, 446830, 625562, 893660, 1251124, 1563905, 1787320, 2189467, 2502248, 3127810, 4378934, 6255620, 8757868, 10947335, 12511240, 17515736, 21894670, 43789340, 87578680]

約数ペア:

[(1, 87578680), (2, 43789340), (4, 21894670), (5, 17515736), (7, 12511240), (8, 10947335), (10, 8757868), (14, 6255620), (20, 4378934), (28, 3127810), (35, 2502248), (40, 2189467), (49, 1787320), (56, 1563905), (70, 1251124), (98, 893660), (140, 625562), (196, 446830), (245, 357464), (280, 312781), (392, 223415), (490, 178732), (980, 89366), (1960, 44683)]