201719800

素因数分解:

$2^3\times 5^2\times {\mathrm{457}}^1\times {\mathrm{2207}}^1$

素因数の和:2680

約数の個数: 48

約数和(自身を含む): 470237760

約数和(自身を除く): 268517960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 457, 914, 1828, 2207, 2285, 3656, 4414, 4570, 8828, 9140, 11035, 11425, 17656, 18280, 22070, 22850, 44140, 45700, 55175, 88280, 91400, 110350, 220700, 441400, 1008599, 2017198, 4034396, 5042995, 8068792, 10085990, 20171980, 25214975, 40343960, 50429950, 100859900, 201719800]

約数ペア:

[(1, 201719800), (2, 100859900), (4, 50429950), (5, 40343960), (8, 25214975), (10, 20171980), (20, 10085990), (25, 8068792), (40, 5042995), (50, 4034396), (100, 2017198), (200, 1008599), (457, 441400), (914, 220700), (1828, 110350), (2207, 91400), (2285, 88280), (3656, 55175), (4414, 45700), (4570, 44140), (8828, 22850), (9140, 22070), (11035, 18280), (11425, 17656)]