1298956000

素因数分解:

$2^5\times 5^3\times {\mathrm{127}}^1\times {\mathrm{2557}}^1$

素因数の和:2709

約数の個数: 96

約数和(自身を含む): 3217923072

約数和(自身を除く): 1918967072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 127, 160, 200, 250, 254, 400, 500, 508, 635, 800, 1000, 1016, 1270, 2000, 2032, 2540, 2557, 3175, 4000, 4064, 5080, 5114, 6350, 10160, 10228, 12700, 12785, 15875, 20320, 20456, 25400, 25570, 31750, 40912, 50800, 51140, 63500, 63925, 81824, 101600, 102280, 127000, 127850, 204560, 254000, 255700, 319625, 324739, 409120, 508000, 511400, 639250, 649478, 1022800, 1278500, 1298956, 1623695, 2045600, 2557000, 2597912, 3247390, 5114000, 5195824, 6494780, 8118475, 10228000, 10391648, 12989560, 16236950, 25979120, 32473900, 40592375, 51958240, 64947800, 81184750, 129895600, 162369500, 259791200, 324739000, 649478000, 1298956000]

約数ペア:

[(1, 1298956000), (2, 649478000), (4, 324739000), (5, 259791200), (8, 162369500), (10, 129895600), (16, 81184750), (20, 64947800), (25, 51958240), (32, 40592375), (40, 32473900), (50, 25979120), (80, 16236950), (100, 12989560), (125, 10391648), (127, 10228000), (160, 8118475), (200, 6494780), (250, 5195824), (254, 5114000), (400, 3247390), (500, 2597912), (508, 2557000), (635, 2045600), (800, 1623695), (1000, 1298956), (1016, 1278500), (1270, 1022800), (2000, 649478), (2032, 639250), (2540, 511400), (2557, 508000), (3175, 409120), (4000, 324739), (4064, 319625), (5080, 255700), (5114, 254000), (6350, 204560), (10160, 127850), (10228, 127000), (12700, 102280), (12785, 101600), (15875, 81824), (20320, 63925), (20456, 63500), (25400, 51140), (25570, 50800), (31750, 40912)]