203437000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{15649}}^1$

素因数の和:15683

約数の個数: 64

約数和(自身を含む): 512694000

約数和(自身を除く): 309257000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 6500, 13000, 15649, 31298, 62596, 78245, 125192, 156490, 203437, 312980, 391225, 406874, 625960, 782450, 813748, 1017185, 1564900, 1627496, 1956125, 2034370, 3129800, 3912250, 4068740, 5085925, 7824500, 8137480, 10171850, 15649000, 20343700, 25429625, 40687400, 50859250, 101718500, 203437000]

約数ペア:

[(1, 203437000), (2, 101718500), (4, 50859250), (5, 40687400), (8, 25429625), (10, 20343700), (13, 15649000), (20, 10171850), (25, 8137480), (26, 7824500), (40, 5085925), (50, 4068740), (52, 3912250), (65, 3129800), (100, 2034370), (104, 1956125), (125, 1627496), (130, 1564900), (200, 1017185), (250, 813748), (260, 782450), (325, 625960), (500, 406874), (520, 391225), (650, 312980), (1000, 203437), (1300, 156490), (1625, 125192), (2600, 78245), (3250, 62596), (6500, 31298), (13000, 15649)]