30990425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1231}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 41247360

約数和(自身を除く): 10256935

約数列:

[1, 5, 19, 25, 53, 95, 265, 475, 1007, 1231, 1325, 5035, 6155, 23389, 25175, 30775, 65243, 116945, 326215, 584725, 1239617, 1631075, 6198085, 30990425]

約数ペア:

[(1, 30990425), (5, 6198085), (19, 1631075), (25, 1239617), (53, 584725), (95, 326215), (265, 116945), (475, 65243), (1007, 30775), (1231, 25175), (1325, 23389), (5035, 6155)]