2004604820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{691}}^1\times {\mathrm{1987}}^1$

素因数の和:2760

約数の個数: 48

約数和(自身を含む): 4275663168

約数和(自身を除く): 2271058348

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 691, 730, 1382, 1460, 1987, 2764, 3455, 3974, 6910, 7948, 9935, 13820, 19870, 39740, 50443, 100886, 145051, 201772, 252215, 290102, 504430, 580204, 725255, 1008860, 1373017, 1450510, 2746034, 2901020, 5492068, 6865085, 13730170, 27460340, 100230241, 200460482, 400920964, 501151205, 1002302410, 2004604820]

約数ペア:

[(1, 2004604820), (2, 1002302410), (4, 501151205), (5, 400920964), (10, 200460482), (20, 100230241), (73, 27460340), (146, 13730170), (292, 6865085), (365, 5492068), (691, 2901020), (730, 2746034), (1382, 1450510), (1460, 1373017), (1987, 1008860), (2764, 725255), (3455, 580204), (3974, 504430), (6910, 290102), (7948, 252215), (9935, 201772), (13820, 145051), (19870, 100886), (39740, 50443)]