1688780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4967}}^1$

素因数の和:4993

約数の個数: 24

約数和(自身を含む): 3755808

約数和(自身を除く): 2067028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 4967, 9934, 19868, 24835, 49670, 84439, 99340, 168878, 337756, 422195, 844390, 1688780]

約数ペア:

[(1, 1688780), (2, 844390), (4, 422195), (5, 337756), (10, 168878), (17, 99340), (20, 84439), (34, 49670), (68, 24835), (85, 19868), (170, 9934), (340, 4967)]