4978940

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1439}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 10523520

約数和(自身を除く): 5544580

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1439, 1730, 2878, 3460, 5756, 7195, 14390, 28780, 248947, 497894, 995788, 1244735, 2489470, 4978940]

約数ペア:

[(1, 4978940), (2, 2489470), (4, 1244735), (5, 995788), (10, 497894), (20, 248947), (173, 28780), (346, 14390), (692, 7195), (865, 5756), (1439, 3460), (1730, 2878)]