310439804980

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{77999951}}^1$

素因数の和:78000159

約数の個数: 24

約数和(自身を含む): 655199596800

約数和(自身を除く): 344759791820

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 77999951, 155999902, 311999804, 389999755, 779999510, 1559999020, 15521990249, 31043980498, 62087960996, 77609951245, 155219902490, 310439804980]

約数ペア:

[(1, 310439804980), (2, 155219902490), (4, 77609951245), (5, 62087960996), (10, 31043980498), (20, 15521990249), (199, 1559999020), (398, 779999510), (796, 389999755), (995, 311999804), (1990, 155999902), (3980, 77999951)]