2875180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1867}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 7531776

約数和(自身を除く): 4656596

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1867, 3734, 7468, 9335, 13069, 18670, 20537, 26138, 37340, 41074, 52276, 65345, 82148, 102685, 130690, 143759, 205370, 261380, 287518, 410740, 575036, 718795, 1437590, 2875180]

約数ペア:

[(1, 2875180), (2, 1437590), (4, 718795), (5, 575036), (7, 410740), (10, 287518), (11, 261380), (14, 205370), (20, 143759), (22, 130690), (28, 102685), (35, 82148), (44, 65345), (55, 52276), (70, 41074), (77, 37340), (110, 26138), (140, 20537), (154, 18670), (220, 13069), (308, 9335), (385, 7468), (770, 3734), (1540, 1867)]