221488000

素因数分解:

$2^7\times 5^3\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 560102400

約数和(自身を除く): 338614400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 109, 125, 127, 128, 160, 200, 218, 250, 254, 320, 400, 436, 500, 508, 545, 635, 640, 800, 872, 1000, 1016, 1090, 1270, 1600, 1744, 2000, 2032, 2180, 2540, 2725, 3175, 3200, 3488, 4000, 4064, 4360, 5080, 5450, 6350, 6976, 8000, 8128, 8720, 10160, 10900, 12700, 13625, 13843, 13952, 15875, 16000, 16256, 17440, 20320, 21800, 25400, 27250, 27686, 31750, 34880, 40640, 43600, 50800, 54500, 55372, 63500, 69215, 69760, 81280, 87200, 101600, 109000, 110744, 127000, 138430, 174400, 203200, 218000, 221488, 254000, 276860, 346075, 348800, 406400, 436000, 442976, 508000, 553720, 692150, 872000, 885952, 1016000, 1107440, 1384300, 1730375, 1744000, 1771904, 2032000, 2214880, 2768600, 3460750, 4429760, 5537200, 6921500, 8859520, 11074400, 13843000, 22148800, 27686000, 44297600, 55372000, 110744000, 221488000]

約数ペア:

[(1, 221488000), (2, 110744000), (4, 55372000), (5, 44297600), (8, 27686000), (10, 22148800), (16, 13843000), (20, 11074400), (25, 8859520), (32, 6921500), (40, 5537200), (50, 4429760), (64, 3460750), (80, 2768600), (100, 2214880), (109, 2032000), (125, 1771904), (127, 1744000), (128, 1730375), (160, 1384300), (200, 1107440), (218, 1016000), (250, 885952), (254, 872000), (320, 692150), (400, 553720), (436, 508000), (500, 442976), (508, 436000), (545, 406400), (635, 348800), (640, 346075), (800, 276860), (872, 254000), (1000, 221488), (1016, 218000), (1090, 203200), (1270, 174400), (1600, 138430), (1744, 127000), (2000, 110744), (2032, 109000), (2180, 101600), (2540, 87200), (2725, 81280), (3175, 69760), (3200, 69215), (3488, 63500), (4000, 55372), (4064, 54500), (4360, 50800), (5080, 43600), (5450, 40640), (6350, 34880), (6976, 31750), (8000, 27686), (8128, 27250), (8720, 25400), (10160, 21800), (10900, 20320), (12700, 17440), (13625, 16256), (13843, 16000), (13952, 15875)]