123288220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{811}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 283199616

約数和(自身を除く): 159911396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 691, 811, 1382, 1622, 2764, 3244, 3455, 4055, 6910, 7601, 8110, 8921, 13820, 15202, 16220, 17842, 30404, 35684, 38005, 44605, 76010, 89210, 152020, 178420, 560401, 1120802, 2241604, 2802005, 5604010, 6164411, 11208020, 12328822, 24657644, 30822055, 61644110, 123288220]

約数ペア:

[(1, 123288220), (2, 61644110), (4, 30822055), (5, 24657644), (10, 12328822), (11, 11208020), (20, 6164411), (22, 5604010), (44, 2802005), (55, 2241604), (110, 1120802), (220, 560401), (691, 178420), (811, 152020), (1382, 89210), (1622, 76010), (2764, 44605), (3244, 38005), (3455, 35684), (4055, 30404), (6910, 17842), (7601, 16220), (8110, 15202), (8921, 13820)]