858383980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{543281}}^1$

素因数の和:543369

約数の個数: 24

約数和(自身を含む): 1825427520

約数和(自身を除く): 967043540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 543281, 1086562, 2173124, 2716405, 5432810, 10865620, 42919199, 85838398, 171676796, 214595995, 429191990, 858383980]

約数ペア:

[(1, 858383980), (2, 429191990), (4, 214595995), (5, 171676796), (10, 85838398), (20, 42919199), (79, 10865620), (158, 5432810), (316, 2716405), (395, 2173124), (790, 1086562), (1580, 543281)]