74825990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1979}}^1$

素因数の和:2204

約数の個数: 32

約数和(自身を含む): 142560000

約数和(自身を除く): 67734010

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 995, 1979, 1990, 3781, 3958, 7562, 9895, 18905, 19790, 37601, 37810, 75202, 188005, 376010, 393821, 787642, 1969105, 3938210, 7482599, 14965198, 37412995, 74825990]

約数ペア:

[(1, 74825990), (2, 37412995), (5, 14965198), (10, 7482599), (19, 3938210), (38, 1969105), (95, 787642), (190, 393821), (199, 376010), (398, 188005), (995, 75202), (1979, 37810), (1990, 37601), (3781, 19790), (3958, 18905), (7562, 9895)]