2991620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1481}}^1$

素因数の和:1591

約数の個数: 24

約数和(自身を含む): 6348888

約数和(自身を除く): 3357268

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1481, 2020, 2962, 5924, 7405, 14810, 29620, 149581, 299162, 598324, 747905, 1495810, 2991620]

約数ペア:

[(1, 2991620), (2, 1495810), (4, 747905), (5, 598324), (10, 299162), (20, 149581), (101, 29620), (202, 14810), (404, 7405), (505, 5924), (1010, 2962), (1481, 2020)]