1307980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3847}}^1$

素因数の和:3873

約数の個数: 24

約数和(自身を含む): 2909088

約数和(自身を除く): 1601108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 3847, 7694, 15388, 19235, 38470, 65399, 76940, 130798, 261596, 326995, 653990, 1307980]

約数ペア:

[(1, 1307980), (2, 653990), (4, 326995), (5, 261596), (10, 130798), (17, 76940), (20, 65399), (34, 38470), (68, 19235), (85, 15388), (170, 7694), (340, 3847)]