2746040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^2$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 6826680

約数和(自身を除く): 4080640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 3160, 3476, 4345, 6241, 6952, 8690, 12482, 17380, 24964, 31205, 34760, 49928, 62410, 68651, 124820, 137302, 249640, 274604, 343255, 549208, 686510, 1373020, 2746040]

約数ペア:

[(1, 2746040), (2, 1373020), (4, 686510), (5, 549208), (8, 343255), (10, 274604), (11, 249640), (20, 137302), (22, 124820), (40, 68651), (44, 62410), (55, 49928), (79, 34760), (88, 31205), (110, 24964), (158, 17380), (220, 12482), (316, 8690), (395, 6952), (440, 6241), (632, 4345), (790, 3476), (869, 3160), (1580, 1738)]