57666280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{205951}}^1$

素因数の和:205969

約数の個数: 32

約数和(自身を含む): 148285440

約数和(自身を除く): 90619160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 205951, 411902, 823804, 1029755, 1441657, 1647608, 2059510, 2883314, 4119020, 5766628, 7208285, 8238040, 11533256, 14416570, 28833140, 57666280]

約数ペア:

[(1, 57666280), (2, 28833140), (4, 14416570), (5, 11533256), (7, 8238040), (8, 7208285), (10, 5766628), (14, 4119020), (20, 2883314), (28, 2059510), (35, 1647608), (40, 1441657), (56, 1029755), (70, 823804), (140, 411902), (280, 205951)]