299303960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1979}}^1$

素因数の和:2208

約数の個数: 64

約数和(自身を含む): 712800000

約数和(自身を除く): 413496040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 199, 380, 398, 760, 796, 995, 1592, 1979, 1990, 3781, 3958, 3980, 7562, 7916, 7960, 9895, 15124, 15832, 18905, 19790, 30248, 37601, 37810, 39580, 75202, 75620, 79160, 150404, 151240, 188005, 300808, 376010, 393821, 752020, 787642, 1504040, 1575284, 1969105, 3150568, 3938210, 7482599, 7876420, 14965198, 15752840, 29930396, 37412995, 59860792, 74825990, 149651980, 299303960]

約数ペア:

[(1, 299303960), (2, 149651980), (4, 74825990), (5, 59860792), (8, 37412995), (10, 29930396), (19, 15752840), (20, 14965198), (38, 7876420), (40, 7482599), (76, 3938210), (95, 3150568), (152, 1969105), (190, 1575284), (199, 1504040), (380, 787642), (398, 752020), (760, 393821), (796, 376010), (995, 300808), (1592, 188005), (1979, 151240), (1990, 150404), (3781, 79160), (3958, 75620), (3980, 75202), (7562, 39580), (7916, 37810), (7960, 37601), (9895, 30248), (15124, 19790), (15832, 18905)]