747620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1289}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 1625400

約数和(自身を除く): 877780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1289, 2578, 5156, 6445, 12890, 25780, 37381, 74762, 149524, 186905, 373810, 747620]

約数ペア:

[(1, 747620), (2, 373810), (4, 186905), (5, 149524), (10, 74762), (20, 37381), (29, 25780), (58, 12890), (116, 6445), (145, 5156), (290, 2578), (580, 1289)]