90814780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{648677}}^1$

素因数の和:648693

約数の個数: 24

約数和(自身を含む): 217955808

約数和(自身を除く): 127141028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 648677, 1297354, 2594708, 3243385, 4540739, 6486770, 9081478, 12973540, 18162956, 22703695, 45407390, 90814780]

約数ペア:

[(1, 90814780), (2, 45407390), (4, 22703695), (5, 18162956), (7, 12973540), (10, 9081478), (14, 6486770), (20, 4540739), (28, 3243385), (35, 2594708), (70, 1297354), (140, 648677)]