168576740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{719}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 373766400

約数和(自身を除く): 205189660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 617, 719, 1234, 1438, 2468, 2876, 3085, 3595, 6170, 7190, 11723, 12340, 13661, 14380, 23446, 27322, 46892, 54644, 58615, 68305, 117230, 136610, 234460, 273220, 443623, 887246, 1774492, 2218115, 4436230, 8428837, 8872460, 16857674, 33715348, 42144185, 84288370, 168576740]

約数ペア:

[(1, 168576740), (2, 84288370), (4, 42144185), (5, 33715348), (10, 16857674), (19, 8872460), (20, 8428837), (38, 4436230), (76, 2218115), (95, 1774492), (190, 887246), (380, 443623), (617, 273220), (719, 234460), (1234, 136610), (1438, 117230), (2468, 68305), (2876, 58615), (3085, 54644), (3595, 46892), (6170, 27322), (7190, 23446), (11723, 14380), (12340, 13661)]