685861330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{127247}}^1$

素因数の和:127279

約数の個数: 48

約数和(自身を含む): 1566677376

約数和(自身を除く): 880816046

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 127247, 254494, 636235, 890729, 1272470, 1399717, 1781458, 2799434, 4453645, 6235103, 6998585, 8907290, 9798019, 12470206, 13997170, 19596038, 31175515, 48990095, 62351030, 68586133, 97980190, 137172266, 342930665, 685861330]

約数ペア:

[(1, 685861330), (2, 342930665), (5, 137172266), (7, 97980190), (10, 68586133), (11, 62351030), (14, 48990095), (22, 31175515), (35, 19596038), (49, 13997170), (55, 12470206), (70, 9798019), (77, 8907290), (98, 6998585), (110, 6235103), (154, 4453645), (245, 2799434), (385, 1781458), (490, 1399717), (539, 1272470), (770, 890729), (1078, 636235), (2695, 254494), (5390, 127247)]