394903540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1161481}}^1$

素因数の和:1161507

約数の個数: 24

約数和(自身を含む): 878080392

約数和(自身を除く): 483176852

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1161481, 2322962, 4645924, 5807405, 11614810, 19745177, 23229620, 39490354, 78980708, 98725885, 197451770, 394903540]

約数ペア:

[(1, 394903540), (2, 197451770), (4, 98725885), (5, 78980708), (10, 39490354), (17, 23229620), (20, 19745177), (34, 11614810), (68, 5807405), (85, 4645924), (170, 2322962), (340, 1161481)]