221365540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{9769}}^1$

素因数の和:9892

約数の個数: 48

約数和(自身を含む): 512104320

約数和(自身を除く): 290738780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 2060, 2266, 4532, 5665, 9769, 11330, 19538, 22660, 39076, 48845, 97690, 107459, 195380, 214918, 429836, 537295, 1006207, 1074590, 2012414, 2149180, 4024828, 5031035, 10062070, 11068277, 20124140, 22136554, 44273108, 55341385, 110682770, 221365540]

約数ペア:

[(1, 221365540), (2, 110682770), (4, 55341385), (5, 44273108), (10, 22136554), (11, 20124140), (20, 11068277), (22, 10062070), (44, 5031035), (55, 4024828), (103, 2149180), (110, 2012414), (206, 1074590), (220, 1006207), (412, 537295), (515, 429836), (1030, 214918), (1133, 195380), (2060, 107459), (2266, 97690), (4532, 48845), (5665, 39076), (9769, 22660), (11330, 19538)]