1878169960

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{235951}}^1$

素因数の和:236161

約数の個数: 32

約数和(自身を含む): 4247136000

約数和(自身を除く): 2368966040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 235951, 471902, 943804, 1179755, 1887608, 2359510, 4719020, 9438040, 46954249, 93908498, 187816996, 234771245, 375633992, 469542490, 939084980, 1878169960]

約数ペア:

[(1, 1878169960), (2, 939084980), (4, 469542490), (5, 375633992), (8, 234771245), (10, 187816996), (20, 93908498), (40, 46954249), (199, 9438040), (398, 4719020), (796, 2359510), (995, 1887608), (1592, 1179755), (1990, 943804), (3980, 471902), (7960, 235951)]