573340

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 1219680

約数和(自身を除く): 646340

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 263, 436, 526, 545, 1052, 1090, 1315, 2180, 2630, 5260, 28667, 57334, 114668, 143335, 286670, 573340]

約数ペア:

[(1, 573340), (2, 286670), (4, 143335), (5, 114668), (10, 57334), (20, 28667), (109, 5260), (218, 2630), (263, 2180), (436, 1315), (526, 1090), (545, 1052)]