31626980

素因数分解:

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

素因数の和:1905

約数の個数: 72

約数和(自身を含む): 83477184

約数和(自身を除く): 51850204

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 1867, 2420, 3388, 3734, 4235, 7468, 8470, 9335, 13069, 16940, 18670, 20537, 26138, 37340, 41074, 52276, 65345, 82148, 102685, 130690, 143759, 205370, 225907, 261380, 287518, 410740, 451814, 575036, 718795, 903628, 1129535, 1437590, 1581349, 2259070, 2875180, 3162698, 4518140, 6325396, 7906745, 15813490, 31626980]

約数ペア:

[(1, 31626980), (2, 15813490), (4, 7906745), (5, 6325396), (7, 4518140), (10, 3162698), (11, 2875180), (14, 2259070), (20, 1581349), (22, 1437590), (28, 1129535), (35, 903628), (44, 718795), (55, 575036), (70, 451814), (77, 410740), (110, 287518), (121, 261380), (140, 225907), (154, 205370), (220, 143759), (242, 130690), (308, 102685), (385, 82148), (484, 65345), (605, 52276), (770, 41074), (847, 37340), (1210, 26138), (1540, 20537), (1694, 18670), (1867, 16940), (2420, 13069), (3388, 9335), (3734, 8470), (4235, 7468)]