328780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{967}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 731808

約数和(自身を除く): 403028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 967, 1934, 3868, 4835, 9670, 16439, 19340, 32878, 65756, 82195, 164390, 328780]

約数ペア:

[(1, 328780), (2, 164390), (4, 82195), (5, 65756), (10, 32878), (17, 19340), (20, 16439), (34, 9670), (68, 4835), (85, 3868), (170, 1934), (340, 967)]