561947980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{54347}}^1$

素因数の和:54414

約数の個数: 48

約数和(自身を含む): 1314786816

約数和(自身を除く): 752838836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 54347, 108694, 217388, 271735, 543470, 597817, 1086940, 1195634, 2391268, 2554309, 2989085, 5108618, 5978170, 10217236, 11956340, 12771545, 25543090, 28097399, 51086180, 56194798, 112389596, 140486995, 280973990, 561947980]

約数ペア:

[(1, 561947980), (2, 280973990), (4, 140486995), (5, 112389596), (10, 56194798), (11, 51086180), (20, 28097399), (22, 25543090), (44, 12771545), (47, 11956340), (55, 10217236), (94, 5978170), (110, 5108618), (188, 2989085), (220, 2554309), (235, 2391268), (470, 1195634), (517, 1086940), (940, 597817), (1034, 543470), (2068, 271735), (2585, 217388), (5170, 108694), (10340, 54347)]