90870395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 140448000

約数和(自身を除く): 49577605

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 121, 215, 301, 385, 473, 499, 605, 847, 1505, 2365, 2495, 3311, 3493, 4235, 5203, 5489, 16555, 17465, 21457, 26015, 27445, 36421, 38423, 60379, 107285, 150199, 182105, 192115, 236027, 301895, 422653, 750995, 1180135, 1652189, 2113265, 2596297, 8260945, 12981485, 18174079, 90870395]

約数ペア:

[(1, 90870395), (5, 18174079), (7, 12981485), (11, 8260945), (35, 2596297), (43, 2113265), (55, 1652189), (77, 1180135), (121, 750995), (215, 422653), (301, 301895), (385, 236027), (473, 192115), (499, 182105), (605, 150199), (847, 107285), (1505, 60379), (2365, 38423), (2495, 36421), (3311, 27445), (3493, 26015), (4235, 21457), (5203, 17465), (5489, 16555)]