222250000

素因数分解:

$2^4\times 5^6\times 7^1\times {\mathrm{127}}^1$

素因数の和:172

約数の個数: 140

約数和(自身を含む): 619992064

約数和(自身を除く): 397742064

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, 3125, 3175, 3500, 3556, 4375, 4445, 5000, 5080, 6250, 6350, 7000, 7112, 8750, 8890, 10000, 10160, 12500, 12700, 14000, 14224, 15625, 15875, 17500, 17780, 21875, 22225, 25000, 25400, 31250, 31750, 35000, 35560, 43750, 44450, 50000, 50800, 62500, 63500, 70000, 71120, 79375, 87500, 88900, 109375, 111125, 125000, 127000, 158750, 175000, 177800, 218750, 222250, 250000, 254000, 317500, 350000, 355600, 396875, 437500, 444500, 555625, 635000, 793750, 875000, 889000, 1111250, 1270000, 1587500, 1750000, 1778000, 1984375, 2222500, 2778125, 3175000, 3968750, 4445000, 5556250, 6350000, 7937500, 8890000, 11112500, 13890625, 15875000, 22225000, 27781250, 31750000, 44450000, 55562500, 111125000, 222250000]

約数ペア:

[(1, 222250000), (2, 111125000), (4, 55562500), (5, 44450000), (7, 31750000), (8, 27781250), (10, 22225000), (14, 15875000), (16, 13890625), (20, 11112500), (25, 8890000), (28, 7937500), (35, 6350000), (40, 5556250), (50, 4445000), (56, 3968750), (70, 3175000), (80, 2778125), (100, 2222500), (112, 1984375), (125, 1778000), (127, 1750000), (140, 1587500), (175, 1270000), (200, 1111250), (250, 889000), (254, 875000), (280, 793750), (350, 635000), (400, 555625), (500, 444500), (508, 437500), (560, 396875), (625, 355600), (635, 350000), (700, 317500), (875, 254000), (889, 250000), (1000, 222250), (1016, 218750), (1250, 177800), (1270, 175000), (1400, 158750), (1750, 127000), (1778, 125000), (2000, 111125), (2032, 109375), (2500, 88900), (2540, 87500), (2800, 79375), (3125, 71120), (3175, 70000), (3500, 63500), (3556, 62500), (4375, 50800), (4445, 50000), (5000, 44450), (5080, 43750), (6250, 35560), (6350, 35000), (7000, 31750), (7112, 31250), (8750, 25400), (8890, 25000), (10000, 22225), (10160, 21875), (12500, 17780), (12700, 17500), (14000, 15875), (14224, 15625)]