2108075

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 2798928

約数和(自身を除く): 690853

約数列:

[1, 5, 25, 37, 43, 53, 185, 215, 265, 925, 1075, 1325, 1591, 1961, 2279, 7955, 9805, 11395, 39775, 49025, 56975, 84323, 421615, 2108075]

約数ペア:

[(1, 2108075), (5, 421615), (25, 84323), (37, 56975), (43, 49025), (53, 39775), (185, 11395), (215, 9805), (265, 7955), (925, 2279), (1075, 1961), (1325, 1591)]