2878049240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6541021}}^1$

素因数の和:6541043

約数の個数: 32

約数和(自身を含む): 7064303760

約数和(自身を除く): 4186254520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6541021, 13082042, 26164084, 32705105, 52328168, 65410210, 71951231, 130820420, 143902462, 261640840, 287804924, 359756155, 575609848, 719512310, 1439024620, 2878049240]

約数ペア:

[(1, 2878049240), (2, 1439024620), (4, 719512310), (5, 575609848), (8, 359756155), (10, 287804924), (11, 261640840), (20, 143902462), (22, 130820420), (40, 71951231), (44, 65410210), (55, 52328168), (88, 32705105), (110, 26164084), (220, 13082042), (440, 6541021)]