123955480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281717}}^1$

素因数の和:281739

約数の個数: 32

約数和(自身を含む): 304255440

約数和(自身を除く): 180299960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 281717, 563434, 1126868, 1408585, 2253736, 2817170, 3098887, 5634340, 6197774, 11268680, 12395548, 15494435, 24791096, 30988870, 61977740, 123955480]

約数ペア:

[(1, 123955480), (2, 61977740), (4, 30988870), (5, 24791096), (8, 15494435), (10, 12395548), (11, 11268680), (20, 6197774), (22, 5634340), (40, 3098887), (44, 2817170), (55, 2253736), (88, 1408585), (110, 1126868), (220, 563434), (440, 281717)]