11112500

素因数分解:

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

素因数の和:163

約数の個数: 72

約数和(自身を含む): 27998208

約数和(自身を除く): 16885708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 127, 140, 175, 250, 254, 350, 500, 508, 625, 635, 700, 875, 889, 1250, 1270, 1750, 1778, 2500, 2540, 3125, 3175, 3500, 3556, 4375, 4445, 6250, 6350, 8750, 8890, 12500, 12700, 15875, 17500, 17780, 21875, 22225, 31750, 43750, 44450, 63500, 79375, 87500, 88900, 111125, 158750, 222250, 317500, 396875, 444500, 555625, 793750, 1111250, 1587500, 2222500, 2778125, 5556250, 11112500]

約数ペア:

[(1, 11112500), (2, 5556250), (4, 2778125), (5, 2222500), (7, 1587500), (10, 1111250), (14, 793750), (20, 555625), (25, 444500), (28, 396875), (35, 317500), (50, 222250), (70, 158750), (100, 111125), (125, 88900), (127, 87500), (140, 79375), (175, 63500), (250, 44450), (254, 43750), (350, 31750), (500, 22225), (508, 21875), (625, 17780), (635, 17500), (700, 15875), (875, 12700), (889, 12500), (1250, 8890), (1270, 8750), (1750, 6350), (1778, 6250), (2500, 4445), (2540, 4375), (3125, 3556), (3175, 3500)]