90426280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{322951}}^1$

素因数の和:322969

約数の個数: 32

約数和(自身を含む): 232525440

約数和(自身を除く): 142099160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 322951, 645902, 1291804, 1614755, 2260657, 2583608, 3229510, 4521314, 6459020, 9042628, 11303285, 12918040, 18085256, 22606570, 45213140, 90426280]

約数ペア:

[(1, 90426280), (2, 45213140), (4, 22606570), (5, 18085256), (7, 12918040), (8, 11303285), (10, 9042628), (14, 6459020), (20, 4521314), (28, 3229510), (35, 2583608), (40, 2260657), (56, 1614755), (70, 1291804), (140, 645902), (280, 322951)]