8890000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{127}}^1$

素因数の和:162

約数の個数: 100

約数和(自身を含む): 24792064

約数和(自身を除く): 15902064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 127, 140, 175, 200, 250, 254, 280, 350, 400, 500, 508, 560, 625, 635, 700, 875, 889, 1000, 1016, 1250, 1270, 1400, 1750, 1778, 2000, 2032, 2500, 2540, 2800, 3175, 3500, 3556, 4375, 4445, 5000, 5080, 6350, 7000, 7112, 8750, 8890, 10000, 10160, 12700, 14000, 14224, 15875, 17500, 17780, 22225, 25400, 31750, 35000, 35560, 44450, 50800, 63500, 70000, 71120, 79375, 88900, 111125, 127000, 158750, 177800, 222250, 254000, 317500, 355600, 444500, 555625, 635000, 889000, 1111250, 1270000, 1778000, 2222500, 4445000, 8890000]

約数ペア:

[(1, 8890000), (2, 4445000), (4, 2222500), (5, 1778000), (7, 1270000), (8, 1111250), (10, 889000), (14, 635000), (16, 555625), (20, 444500), (25, 355600), (28, 317500), (35, 254000), (40, 222250), (50, 177800), (56, 158750), (70, 127000), (80, 111125), (100, 88900), (112, 79375), (125, 71120), (127, 70000), (140, 63500), (175, 50800), (200, 44450), (250, 35560), (254, 35000), (280, 31750), (350, 25400), (400, 22225), (500, 17780), (508, 17500), (560, 15875), (625, 14224), (635, 14000), (700, 12700), (875, 10160), (889, 10000), (1000, 8890), (1016, 8750), (1250, 7112), (1270, 7000), (1400, 6350), (1750, 5080), (1778, 5000), (2000, 4445), (2032, 4375), (2500, 3556), (2540, 3500), (2800, 3175)]