3816408980

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{490541}}^1$

素因数の和:490939

約数の個数: 24

約数和(自身を含む): 8035077960

約数和(自身を除く): 4218668980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 490541, 981082, 1962164, 2452705, 4905410, 9810820, 190820449, 381640898, 763281796, 954102245, 1908204490, 3816408980]

約数ペア:

[(1, 3816408980), (2, 1908204490), (4, 954102245), (5, 763281796), (10, 381640898), (20, 190820449), (389, 9810820), (778, 4905410), (1556, 2452705), (1945, 1962164), (3890, 981082), (7780, 490541)]