2021878657480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97769761}}^1$

素因数の和:97769830

約数の個数: 64

約数和(自身を含む): 5068384462080

約数和(自身を除く): 3046505804600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 5170, 10340, 20680, 97769761, 195539522, 391079044, 488848805, 782158088, 977697610, 1075467371, 1955395220, 2150934742, 3910790440, 4301869484, 4595178767, 5377336855, 8603738968, 9190357534, 10754673710, 18380715068, 21509347420, 22975893835, 36761430136, 43018694840, 45951787670, 50546966437, 91903575340, 101093932874, 183807150680, 202187865748, 252734832185, 404375731496, 505469664370, 1010939328740, 2021878657480]

約数ペア:

[(1, 2021878657480), (2, 1010939328740), (4, 505469664370), (5, 404375731496), (8, 252734832185), (10, 202187865748), (11, 183807150680), (20, 101093932874), (22, 91903575340), (40, 50546966437), (44, 45951787670), (47, 43018694840), (55, 36761430136), (88, 22975893835), (94, 21509347420), (110, 18380715068), (188, 10754673710), (220, 9190357534), (235, 8603738968), (376, 5377336855), (440, 4595178767), (470, 4301869484), (517, 3910790440), (940, 2150934742), (1034, 1955395220), (1880, 1075467371), (2068, 977697610), (2585, 782158088), (4136, 488848805), (5170, 391079044), (10340, 195539522), (20680, 97769761)]