28277480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9181}}^1$

素因数の和:9210

約数の個数: 64

約数和(自身を含む): 79332480

約数和(自身を除く): 51055000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9181, 18362, 36724, 45905, 64267, 73448, 91810, 100991, 128534, 183620, 201982, 257068, 321335, 367240, 403964, 504955, 514136, 642670, 706937, 807928, 1009910, 1285340, 1413874, 2019820, 2570680, 2827748, 3534685, 4039640, 5655496, 7069370, 14138740, 28277480]

約数ペア:

[(1, 28277480), (2, 14138740), (4, 7069370), (5, 5655496), (7, 4039640), (8, 3534685), (10, 2827748), (11, 2570680), (14, 2019820), (20, 1413874), (22, 1285340), (28, 1009910), (35, 807928), (40, 706937), (44, 642670), (55, 514136), (56, 504955), (70, 403964), (77, 367240), (88, 321335), (110, 257068), (140, 201982), (154, 183620), (220, 128534), (280, 100991), (308, 91810), (385, 73448), (440, 64267), (616, 45905), (770, 36724), (1540, 18362), (3080, 9181)]