78801140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7621}}^1$

素因数の和:7688

約数の個数: 48

約数和(自身を含む): 184391424

約数和(自身を除く): 105590284

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, 7621, 10340, 15242, 30484, 38105, 76210, 83831, 152420, 167662, 335324, 358187, 419155, 716374, 838310, 1432748, 1676620, 1790935, 3581870, 3940057, 7163740, 7880114, 15760228, 19700285, 39400570, 78801140]

約数ペア:

[(1, 78801140), (2, 39400570), (4, 19700285), (5, 15760228), (10, 7880114), (11, 7163740), (20, 3940057), (22, 3581870), (44, 1790935), (47, 1676620), (55, 1432748), (94, 838310), (110, 716374), (188, 419155), (220, 358187), (235, 335324), (470, 167662), (517, 152420), (940, 83831), (1034, 76210), (2068, 38105), (2585, 30484), (5170, 15242), (7621, 10340)]