210147721970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{295982707}}^1$

素因数の和:295982785

約数の個数: 16

約数和(自身を含む): 383593589568

約数和(自身を除く): 173445867598

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 295982707, 591965414, 1479913535, 2959827070, 21014772197, 42029544394, 105073860985, 210147721970]

約数ペア:

[(1, 210147721970), (2, 105073860985), (5, 42029544394), (10, 21014772197), (71, 2959827070), (142, 1479913535), (355, 591965414), (710, 295982707)]