139987180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{411727}}^1$

素因数の和:411753

約数の個数: 24

約数和(自身を含む): 311266368

約数和(自身を除く): 171279188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 411727, 823454, 1646908, 2058635, 4117270, 6999359, 8234540, 13998718, 27997436, 34996795, 69993590, 139987180]

約数ペア:

[(1, 139987180), (2, 69993590), (4, 34996795), (5, 27997436), (10, 13998718), (17, 8234540), (20, 6999359), (34, 4117270), (68, 2058635), (85, 1646908), (170, 823454), (340, 411727)]