627980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1847}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 1397088

約数和(自身を除く): 769108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1847, 3694, 7388, 9235, 18470, 31399, 36940, 62798, 125596, 156995, 313990, 627980]

約数ペア:

[(1, 627980), (2, 313990), (4, 156995), (5, 125596), (10, 62798), (17, 36940), (20, 31399), (34, 18470), (68, 9235), (85, 7388), (170, 3694), (340, 1847)]