1280450140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1362181}}^1$

素因数の和:1362237

約数の個数: 24

約数和(自身を含む): 2746158912

約数和(自身を除く): 1465708772

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1362181, 2724362, 5448724, 6810905, 13621810, 27243620, 64022507, 128045014, 256090028, 320112535, 640225070, 1280450140]

約数ペア:

[(1, 1280450140), (2, 640225070), (4, 320112535), (5, 256090028), (10, 128045014), (20, 64022507), (47, 27243620), (94, 13621810), (188, 6810905), (235, 5448724), (470, 2724362), (940, 1362181)]