2988040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6791}}^1$

素因数の和:6813

約数の個数: 32

約数和(自身を含む): 7335360

約数和(自身を除く): 4347320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6791, 13582, 27164, 33955, 54328, 67910, 74701, 135820, 149402, 271640, 298804, 373505, 597608, 747010, 1494020, 2988040]

約数ペア:

[(1, 2988040), (2, 1494020), (4, 747010), (5, 597608), (8, 373505), (10, 298804), (11, 271640), (20, 149402), (22, 135820), (40, 74701), (44, 67910), (55, 54328), (88, 33955), (110, 27164), (220, 13582), (440, 6791)]