84785140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2153}}^1$

素因数の和:2352

約数の個数: 48

約数和(自身を含む): 195410880

約数和(自身を除く): 110625740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 2153, 3580, 3938, 4306, 7876, 8612, 9845, 10765, 19690, 21530, 23683, 39380, 43060, 47366, 94732, 118415, 236830, 385387, 473660, 770774, 1541548, 1926935, 3853870, 4239257, 7707740, 8478514, 16957028, 21196285, 42392570, 84785140]

約数ペア:

[(1, 84785140), (2, 42392570), (4, 21196285), (5, 16957028), (10, 8478514), (11, 7707740), (20, 4239257), (22, 3853870), (44, 1926935), (55, 1541548), (110, 770774), (179, 473660), (220, 385387), (358, 236830), (716, 118415), (895, 94732), (1790, 47366), (1969, 43060), (2153, 39380), (3580, 23683), (3938, 21530), (4306, 19690), (7876, 10765), (8612, 9845)]