159695140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{7187}}^1$

素因数の和:7308

約数の個数: 48

約数和(自身を含む): 369520704

約数和(自身を除く): 209825564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 7187, 11110, 14374, 22220, 28748, 35935, 71870, 79057, 143740, 158114, 316228, 395285, 725887, 790570, 1451774, 1581140, 2903548, 3629435, 7258870, 7984757, 14517740, 15969514, 31939028, 39923785, 79847570, 159695140]

約数ペア:

[(1, 159695140), (2, 79847570), (4, 39923785), (5, 31939028), (10, 15969514), (11, 14517740), (20, 7984757), (22, 7258870), (44, 3629435), (55, 2903548), (101, 1581140), (110, 1451774), (202, 790570), (220, 725887), (404, 395285), (505, 316228), (1010, 158114), (1111, 143740), (2020, 79057), (2222, 71870), (4444, 35935), (5555, 28748), (7187, 22220), (11110, 14374)]