90875960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{324557}}^1$

素因数の和:324575

約数の個数: 32

約数和(自身を含む): 233681760

約数和(自身を除く): 142805800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 324557, 649114, 1298228, 1622785, 2271899, 2596456, 3245570, 4543798, 6491140, 9087596, 11359495, 12982280, 18175192, 22718990, 45437980, 90875960]

約数ペア:

[(1, 90875960), (2, 45437980), (4, 22718990), (5, 18175192), (7, 12982280), (8, 11359495), (10, 9087596), (14, 6491140), (20, 4543798), (28, 3245570), (35, 2596456), (40, 2271899), (56, 1622785), (70, 1298228), (140, 649114), (280, 324557)]