2222500000

素因数分解:

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

素因数の和:179

約数の個数: 192

約数和(自身を含む): 6299983872

約数和(自身を除く): 4077483872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 127, 140, 160, 175, 200, 224, 250, 254, 280, 350, 400, 500, 508, 560, 625, 635, 700, 800, 875, 889, 1000, 1016, 1120, 1250, 1270, 1400, 1750, 1778, 2000, 2032, 2500, 2540, 2800, 3125, 3175, 3500, 3556, 4000, 4064, 4375, 4445, 5000, 5080, 5600, 6250, 6350, 7000, 7112, 8750, 8890, 10000, 10160, 12500, 12700, 14000, 14224, 15625, 15875, 17500, 17780, 20000, 20320, 21875, 22225, 25000, 25400, 28000, 28448, 31250, 31750, 35000, 35560, 43750, 44450, 50000, 50800, 62500, 63500, 70000, 71120, 78125, 79375, 87500, 88900, 100000, 101600, 109375, 111125, 125000, 127000, 140000, 142240, 156250, 158750, 175000, 177800, 218750, 222250, 250000, 254000, 312500, 317500, 350000, 355600, 396875, 437500, 444500, 500000, 508000, 546875, 555625, 625000, 635000, 700000, 711200, 793750, 875000, 889000, 1093750, 1111250, 1250000, 1270000, 1587500, 1750000, 1778000, 1984375, 2187500, 2222500, 2500000, 2540000, 2778125, 3175000, 3500000, 3556000, 3968750, 4375000, 4445000, 5556250, 6350000, 7937500, 8750000, 8890000, 9921875, 11112500, 12700000, 13890625, 15875000, 17500000, 17780000, 19843750, 22225000, 27781250, 31750000, 39687500, 44450000, 55562500, 63500000, 69453125, 79375000, 88900000, 111125000, 138906250, 158750000, 222250000, 277812500, 317500000, 444500000, 555625000, 1111250000, 2222500000]

約数ペア:

[(1, 2222500000), (2, 1111250000), (4, 555625000), (5, 444500000), (7, 317500000), (8, 277812500), (10, 222250000), (14, 158750000), (16, 138906250), (20, 111125000), (25, 88900000), (28, 79375000), (32, 69453125), (35, 63500000), (40, 55562500), (50, 44450000), (56, 39687500), (70, 31750000), (80, 27781250), (100, 22225000), (112, 19843750), (125, 17780000), (127, 17500000), (140, 15875000), (160, 13890625), (175, 12700000), (200, 11112500), (224, 9921875), (250, 8890000), (254, 8750000), (280, 7937500), (350, 6350000), (400, 5556250), (500, 4445000), (508, 4375000), (560, 3968750), (625, 3556000), (635, 3500000), (700, 3175000), (800, 2778125), (875, 2540000), (889, 2500000), (1000, 2222500), (1016, 2187500), (1120, 1984375), (1250, 1778000), (1270, 1750000), (1400, 1587500), (1750, 1270000), (1778, 1250000), (2000, 1111250), (2032, 1093750), (2500, 889000), (2540, 875000), (2800, 793750), (3125, 711200), (3175, 700000), (3500, 635000), (3556, 625000), (4000, 555625), (4064, 546875), (4375, 508000), (4445, 500000), (5000, 444500), (5080, 437500), (5600, 396875), (6250, 355600), (6350, 350000), (7000, 317500), (7112, 312500), (8750, 254000), (8890, 250000), (10000, 222250), (10160, 218750), (12500, 177800), (12700, 175000), (14000, 158750), (14224, 156250), (15625, 142240), (15875, 140000), (17500, 127000), (17780, 125000), (20000, 111125), (20320, 109375), (21875, 101600), (22225, 100000), (25000, 88900), (25400, 87500), (28000, 79375), (28448, 78125), (31250, 71120), (31750, 70000), (35000, 63500), (35560, 62500), (43750, 50800), (44450, 50000)]