2749780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 6531840

約数和(自身を除く): 3782060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 431, 580, 638, 862, 1276, 1595, 1724, 2155, 3190, 4310, 4741, 6380, 8620, 9482, 12499, 18964, 23705, 24998, 47410, 49996, 62495, 94820, 124990, 137489, 249980, 274978, 549956, 687445, 1374890, 2749780]

約数ペア:

[(1, 2749780), (2, 1374890), (4, 687445), (5, 549956), (10, 274978), (11, 249980), (20, 137489), (22, 124990), (29, 94820), (44, 62495), (55, 49996), (58, 47410), (110, 24998), (116, 23705), (145, 18964), (220, 12499), (290, 9482), (319, 8620), (431, 6380), (580, 4741), (638, 4310), (862, 3190), (1276, 2155), (1595, 1724)]