348820

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 743904

約数和(自身を除く): 395084

約数列:

[1, 2, 4, 5, 10, 20, 107, 163, 214, 326, 428, 535, 652, 815, 1070, 1630, 2140, 3260, 17441, 34882, 69764, 87205, 174410, 348820]

約数ペア:

[(1, 348820), (2, 174410), (4, 87205), (5, 69764), (10, 34882), (20, 17441), (107, 3260), (163, 2140), (214, 1630), (326, 1070), (428, 815), (535, 652)]