128690000

素因数分解:

$2^4\times 5^4\times {\mathrm{17}}^1\times {\mathrm{757}}^1$

素因数の和:802

約数の個数: 100

約数和(自身を含む): 330334884

約数和(自身を除く): 201644884

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 400, 425, 500, 625, 680, 757, 850, 1000, 1250, 1360, 1514, 1700, 2000, 2125, 2500, 3028, 3400, 3785, 4250, 5000, 6056, 6800, 7570, 8500, 10000, 10625, 12112, 12869, 15140, 17000, 18925, 21250, 25738, 30280, 34000, 37850, 42500, 51476, 60560, 64345, 75700, 85000, 94625, 102952, 128690, 151400, 170000, 189250, 205904, 257380, 302800, 321725, 378500, 473125, 514760, 643450, 757000, 946250, 1029520, 1286900, 1514000, 1608625, 1892500, 2573800, 3217250, 3785000, 5147600, 6434500, 7570000, 8043125, 12869000, 16086250, 25738000, 32172500, 64345000, 128690000]

約数ペア:

[(1, 128690000), (2, 64345000), (4, 32172500), (5, 25738000), (8, 16086250), (10, 12869000), (16, 8043125), (17, 7570000), (20, 6434500), (25, 5147600), (34, 3785000), (40, 3217250), (50, 2573800), (68, 1892500), (80, 1608625), (85, 1514000), (100, 1286900), (125, 1029520), (136, 946250), (170, 757000), (200, 643450), (250, 514760), (272, 473125), (340, 378500), (400, 321725), (425, 302800), (500, 257380), (625, 205904), (680, 189250), (757, 170000), (850, 151400), (1000, 128690), (1250, 102952), (1360, 94625), (1514, 85000), (1700, 75700), (2000, 64345), (2125, 60560), (2500, 51476), (3028, 42500), (3400, 37850), (3785, 34000), (4250, 30280), (5000, 25738), (6056, 21250), (6800, 18925), (7570, 17000), (8500, 15140), (10000, 12869), (10625, 12112)]