68366980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2851}}^1$

素因数の和:2980

約数の個数: 48

約数和(自身を含む): 158114880

約数和(自身を除く): 89747900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 2851, 4796, 5702, 5995, 11404, 11990, 14255, 23980, 28510, 31361, 57020, 62722, 125444, 156805, 310759, 313610, 621518, 627220, 1243036, 1553795, 3107590, 3418349, 6215180, 6836698, 13673396, 17091745, 34183490, 68366980]

約数ペア:

[(1, 68366980), (2, 34183490), (4, 17091745), (5, 13673396), (10, 6836698), (11, 6215180), (20, 3418349), (22, 3107590), (44, 1553795), (55, 1243036), (109, 627220), (110, 621518), (218, 313610), (220, 310759), (436, 156805), (545, 125444), (1090, 62722), (1199, 57020), (2180, 31361), (2398, 28510), (2851, 23980), (4796, 14255), (5702, 11990), (5995, 11404)]