138959920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8311}}^1$

素因数の和:8354

約数の個数: 80

約数和(自身を含む): 371047680

約数和(自身を除く): 232087760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8311, 8360, 16622, 16720, 33244, 41555, 66488, 83110, 91421, 132976, 157909, 166220, 182842, 315818, 332440, 365684, 457105, 631636, 664880, 731368, 789545, 914210, 1263272, 1462736, 1579090, 1736999, 1828420, 2526544, 3158180, 3473998, 3656840, 6316360, 6947996, 7313680, 8684995, 12632720, 13895992, 17369990, 27791984, 34739980, 69479960, 138959920]

約数ペア:

[(1, 138959920), (2, 69479960), (4, 34739980), (5, 27791984), (8, 17369990), (10, 13895992), (11, 12632720), (16, 8684995), (19, 7313680), (20, 6947996), (22, 6316360), (38, 3656840), (40, 3473998), (44, 3158180), (55, 2526544), (76, 1828420), (80, 1736999), (88, 1579090), (95, 1462736), (110, 1263272), (152, 914210), (176, 789545), (190, 731368), (209, 664880), (220, 631636), (304, 457105), (380, 365684), (418, 332440), (440, 315818), (760, 182842), (836, 166220), (880, 157909), (1045, 132976), (1520, 91421), (1672, 83110), (2090, 66488), (3344, 41555), (4180, 33244), (8311, 16720), (8360, 16622)]