2490325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 3321216

約数和(自身を除く): 830891

約数列:

[1, 5, 23, 25, 61, 71, 115, 305, 355, 575, 1403, 1525, 1633, 1775, 4331, 7015, 8165, 21655, 35075, 40825, 99613, 108275, 498065, 2490325]

約数ペア:

[(1, 2490325), (5, 498065), (23, 108275), (25, 99613), (61, 40825), (71, 35075), (115, 21655), (305, 8165), (355, 7015), (575, 4331), (1403, 1775), (1525, 1633)]