78657980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{231347}}^1$

素因数の和:231373

約数の個数: 24

約数和(自身を含む): 174899088

約数和(自身を除く): 96241108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 231347, 462694, 925388, 1156735, 2313470, 3932899, 4626940, 7865798, 15731596, 19664495, 39328990, 78657980]

約数ペア:

[(1, 78657980), (2, 39328990), (4, 19664495), (5, 15731596), (10, 7865798), (17, 4626940), (20, 3932899), (34, 2313470), (68, 1156735), (85, 925388), (170, 462694), (340, 231347)]