2490775

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 3622784

約数和(自身を除く): 1132009

約数列:

[1, 5, 7, 25, 35, 43, 175, 215, 301, 331, 1075, 1505, 1655, 2317, 7525, 8275, 11585, 14233, 57925, 71165, 99631, 355825, 498155, 2490775]

約数ペア:

[(1, 2490775), (5, 498155), (7, 355825), (25, 99631), (35, 71165), (43, 57925), (175, 14233), (215, 11585), (301, 8275), (331, 7525), (1075, 2317), (1505, 1655)]