202145990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^3$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 377516160

約数和(自身を除く): 175370170

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 395, 410, 790, 3239, 6241, 6478, 12482, 16195, 31205, 32390, 62410, 255881, 493039, 511762, 986078, 1279405, 2465195, 2558810, 4930390, 20214599, 40429198, 101072995, 202145990]

約数ペア:

[(1, 202145990), (2, 101072995), (5, 40429198), (10, 20214599), (41, 4930390), (79, 2558810), (82, 2465195), (158, 1279405), (205, 986078), (395, 511762), (410, 493039), (790, 255881), (3239, 62410), (6241, 32390), (6478, 31205), (12482, 16195)]