28813300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{997}}^1$

素因数の和:1045

約数の個数: 54

約数和(自身を含む): 66485762

約数和(自身を除く): 37672462

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 425, 578, 850, 997, 1156, 1445, 1700, 1994, 2890, 3988, 4985, 5780, 7225, 9970, 14450, 16949, 19940, 24925, 28900, 33898, 49850, 67796, 84745, 99700, 169490, 288133, 338980, 423725, 576266, 847450, 1152532, 1440665, 1694900, 2881330, 5762660, 7203325, 14406650, 28813300]

約数ペア:

[(1, 28813300), (2, 14406650), (4, 7203325), (5, 5762660), (10, 2881330), (17, 1694900), (20, 1440665), (25, 1152532), (34, 847450), (50, 576266), (68, 423725), (85, 338980), (100, 288133), (170, 169490), (289, 99700), (340, 84745), (425, 67796), (578, 49850), (850, 33898), (997, 28900), (1156, 24925), (1445, 19940), (1700, 16949), (1994, 14450), (2890, 9970), (3988, 7225), (4985, 5780)]