985642400

素因数分解:

$2^5\times 5^2\times {\mathrm{691}}^1\times {\mathrm{1783}}^1$

素因数の和:2494

約数の個数: 72

約数和(自身を含む): 2411033184

約数和(自身を除く): 1425390784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 691, 800, 1382, 1783, 2764, 3455, 3566, 5528, 6910, 7132, 8915, 11056, 13820, 14264, 17275, 17830, 22112, 27640, 28528, 34550, 35660, 44575, 55280, 57056, 69100, 71320, 89150, 110560, 138200, 142640, 178300, 276400, 285280, 356600, 552800, 713200, 1232053, 1426400, 2464106, 4928212, 6160265, 9856424, 12320530, 19712848, 24641060, 30801325, 39425696, 49282120, 61602650, 98564240, 123205300, 197128480, 246410600, 492821200, 985642400]

約数ペア:

[(1, 985642400), (2, 492821200), (4, 246410600), (5, 197128480), (8, 123205300), (10, 98564240), (16, 61602650), (20, 49282120), (25, 39425696), (32, 30801325), (40, 24641060), (50, 19712848), (80, 12320530), (100, 9856424), (160, 6160265), (200, 4928212), (400, 2464106), (691, 1426400), (800, 1232053), (1382, 713200), (1783, 552800), (2764, 356600), (3455, 285280), (3566, 276400), (5528, 178300), (6910, 142640), (7132, 138200), (8915, 110560), (11056, 89150), (13820, 71320), (14264, 69100), (17275, 57056), (17830, 55280), (22112, 44575), (27640, 35660), (28528, 34550)]