677960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 1616760

約数和(自身を除く): 938800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 997, 1994, 3988, 4985, 7976, 9970, 16949, 19940, 33898, 39880, 67796, 84745, 135592, 169490, 338980, 677960]

約数ペア:

[(1, 677960), (2, 338980), (4, 169490), (5, 135592), (8, 84745), (10, 67796), (17, 39880), (20, 33898), (34, 19940), (40, 16949), (68, 9970), (85, 7976), (136, 4985), (170, 3988), (340, 1994), (680, 997)]