90713140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647951}}^1$

素因数の和:647967

約数の個数: 24

約数和(自身を含む): 217711872

約数和(自身を除く): 126998732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647951, 1295902, 2591804, 3239755, 4535657, 6479510, 9071314, 12959020, 18142628, 22678285, 45356570, 90713140]

約数ペア:

[(1, 90713140), (2, 45356570), (4, 22678285), (5, 18142628), (7, 12959020), (10, 9071314), (14, 6479510), (20, 4535657), (28, 3239755), (35, 2591804), (70, 1295902), (140, 647951)]