206870420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{5867}}^1$

素因数の和:5960

約数の個数: 48

約数和(自身を含む): 455450688

約数和(自身を除く): 248580268

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 5867, 7052, 8815, 11734, 17630, 23468, 29335, 35260, 58670, 117340, 240547, 252281, 481094, 504562, 962188, 1009124, 1202735, 1261405, 2405470, 2522810, 4810940, 5045620, 10343521, 20687042, 41374084, 51717605, 103435210, 206870420]

約数ペア:

[(1, 206870420), (2, 103435210), (4, 51717605), (5, 41374084), (10, 20687042), (20, 10343521), (41, 5045620), (43, 4810940), (82, 2522810), (86, 2405470), (164, 1261405), (172, 1202735), (205, 1009124), (215, 962188), (410, 504562), (430, 481094), (820, 252281), (860, 240547), (1763, 117340), (3526, 58670), (5867, 35260), (7052, 29335), (8815, 23468), (11734, 17630)]