318206020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{33637}}^1$

素因数の和:33700

約数の個数: 48

約数和(自身を含む): 745956288

約数和(自身を除く): 427750268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 33637, 67274, 134548, 168185, 336370, 370007, 672740, 740014, 1446391, 1480028, 1850035, 2892782, 3700070, 5785564, 7231955, 7400140, 14463910, 15910301, 28927820, 31820602, 63641204, 79551505, 159103010, 318206020]

約数ペア:

[(1, 318206020), (2, 159103010), (4, 79551505), (5, 63641204), (10, 31820602), (11, 28927820), (20, 15910301), (22, 14463910), (43, 7400140), (44, 7231955), (55, 5785564), (86, 3700070), (110, 2892782), (172, 1850035), (215, 1480028), (220, 1446391), (430, 740014), (473, 672740), (860, 370007), (946, 336370), (1892, 168185), (2365, 134548), (4730, 67274), (9460, 33637)]