316894880

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8287}}^1$

素因数の和:8541

約数の個数: 48

約数和(自身を含む): 751887360

約数和(自身を除く): 434992480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 7648, 8287, 9560, 16574, 19120, 33148, 38240, 41435, 66296, 82870, 132592, 165740, 265184, 331480, 662960, 1325920, 1980593, 3961186, 7922372, 9902965, 15844744, 19805930, 31689488, 39611860, 63378976, 79223720, 158447440, 316894880]

約数ペア:

[(1, 316894880), (2, 158447440), (4, 79223720), (5, 63378976), (8, 39611860), (10, 31689488), (16, 19805930), (20, 15844744), (32, 9902965), (40, 7922372), (80, 3961186), (160, 1980593), (239, 1325920), (478, 662960), (956, 331480), (1195, 265184), (1912, 165740), (2390, 132592), (3824, 82870), (4780, 66296), (7648, 41435), (8287, 38240), (9560, 33148), (16574, 19120)]