6778420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2801}}^1$

素因数の和:2832

約数の個数: 36

約数和(自身を含む): 15651972

約数和(自身を除く): 8873552

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 2801, 5602, 11204, 14005, 28010, 30811, 56020, 61622, 123244, 154055, 308110, 338921, 616220, 677842, 1355684, 1694605, 3389210, 6778420]

約数ペア:

[(1, 6778420), (2, 3389210), (4, 1694605), (5, 1355684), (10, 677842), (11, 616220), (20, 338921), (22, 308110), (44, 154055), (55, 123244), (110, 61622), (121, 56020), (220, 30811), (242, 28010), (484, 14005), (605, 11204), (1210, 5602), (2420, 2801)]