197254040

素因数分解:

$2^3\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{3221}}^1$

素因数の和:4763

約数の個数: 32

約数和(自身を含む): 444249360

約数和(自身を除く): 246995320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1531, 3062, 3221, 6124, 6442, 7655, 12248, 12884, 15310, 16105, 25768, 30620, 32210, 61240, 64420, 128840, 4931351, 9862702, 19725404, 24656755, 39450808, 49313510, 98627020, 197254040]

約数ペア:

[(1, 197254040), (2, 98627020), (4, 49313510), (5, 39450808), (8, 24656755), (10, 19725404), (20, 9862702), (40, 4931351), (1531, 128840), (3062, 64420), (3221, 61240), (6124, 32210), (6442, 30620), (7655, 25768), (12248, 16105), (12884, 15310)]