248920000

素因数分解:

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

素因数の和:173

約数の個数: 210

約数和(自身を含む): 723668352

約数和(自身を除く): 474748352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 127, 140, 160, 175, 196, 200, 224, 245, 250, 254, 280, 320, 350, 392, 400, 448, 490, 500, 508, 560, 625, 635, 700, 784, 800, 875, 889, 980, 1000, 1016, 1120, 1225, 1250, 1270, 1400, 1568, 1600, 1750, 1778, 1960, 2000, 2032, 2240, 2450, 2500, 2540, 2800, 3136, 3175, 3500, 3556, 3920, 4000, 4064, 4375, 4445, 4900, 5000, 5080, 5600, 6125, 6223, 6350, 7000, 7112, 7840, 8000, 8128, 8750, 8890, 9800, 10000, 10160, 11200, 12250, 12446, 12700, 14000, 14224, 15680, 15875, 17500, 17780, 19600, 20000, 20320, 22225, 24500, 24892, 25400, 28000, 28448, 30625, 31115, 31750, 35000, 35560, 39200, 40000, 40640, 44450, 49000, 49784, 50800, 56000, 56896, 61250, 62230, 63500, 70000, 71120, 78400, 79375, 88900, 98000, 99568, 101600, 111125, 122500, 124460, 127000, 140000, 142240, 155575, 158750, 177800, 196000, 199136, 203200, 222250, 245000, 248920, 254000, 280000, 284480, 311150, 317500, 355600, 392000, 398272, 444500, 490000, 497840, 508000, 555625, 622300, 635000, 711200, 777875, 889000, 980000, 995680, 1016000, 1111250, 1244600, 1270000, 1422400, 1555750, 1778000, 1960000, 1991360, 2222500, 2489200, 2540000, 3111500, 3556000, 3889375, 4445000, 4978400, 5080000, 6223000, 7112000, 7778750, 8890000, 9956800, 12446000, 15557500, 17780000, 24892000, 31115000, 35560000, 49784000, 62230000, 124460000, 248920000]

約数ペア:

[(1, 248920000), (2, 124460000), (4, 62230000), (5, 49784000), (7, 35560000), (8, 31115000), (10, 24892000), (14, 17780000), (16, 15557500), (20, 12446000), (25, 9956800), (28, 8890000), (32, 7778750), (35, 7112000), (40, 6223000), (49, 5080000), (50, 4978400), (56, 4445000), (64, 3889375), (70, 3556000), (80, 3111500), (98, 2540000), (100, 2489200), (112, 2222500), (125, 1991360), (127, 1960000), (140, 1778000), (160, 1555750), (175, 1422400), (196, 1270000), (200, 1244600), (224, 1111250), (245, 1016000), (250, 995680), (254, 980000), (280, 889000), (320, 777875), (350, 711200), (392, 635000), (400, 622300), (448, 555625), (490, 508000), (500, 497840), (508, 490000), (560, 444500), (625, 398272), (635, 392000), (700, 355600), (784, 317500), (800, 311150), (875, 284480), (889, 280000), (980, 254000), (1000, 248920), (1016, 245000), (1120, 222250), (1225, 203200), (1250, 199136), (1270, 196000), (1400, 177800), (1568, 158750), (1600, 155575), (1750, 142240), (1778, 140000), (1960, 127000), (2000, 124460), (2032, 122500), (2240, 111125), (2450, 101600), (2500, 99568), (2540, 98000), (2800, 88900), (3136, 79375), (3175, 78400), (3500, 71120), (3556, 70000), (3920, 63500), (4000, 62230), (4064, 61250), (4375, 56896), (4445, 56000), (4900, 50800), (5000, 49784), (5080, 49000), (5600, 44450), (6125, 40640), (6223, 40000), (6350, 39200), (7000, 35560), (7112, 35000), (7840, 31750), (8000, 31115), (8128, 30625), (8750, 28448), (8890, 28000), (9800, 25400), (10000, 24892), (10160, 24500), (11200, 22225), (12250, 20320), (12446, 20000), (12700, 19600), (14000, 17780), (14224, 17500), (15680, 15875)]