28386380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6791}}^1$

素因数の和:6830

約数の個数: 48

約数和(自身を含む): 68463360

約数和(自身を除く): 40076980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 6791, 13582, 27164, 33955, 67910, 74701, 129029, 135820, 149402, 258058, 298804, 373505, 516116, 645145, 747010, 1290290, 1419319, 1494020, 2580580, 2838638, 5677276, 7096595, 14193190, 28386380]

約数ペア:

[(1, 28386380), (2, 14193190), (4, 7096595), (5, 5677276), (10, 2838638), (11, 2580580), (19, 1494020), (20, 1419319), (22, 1290290), (38, 747010), (44, 645145), (55, 516116), (76, 373505), (95, 298804), (110, 258058), (190, 149402), (209, 135820), (220, 129029), (380, 74701), (418, 67910), (836, 33955), (1045, 27164), (2090, 13582), (4180, 6791)]