30581540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12637}}^1$

素因数の和:12668

約数の個数: 36

約数和(自身を含む): 70595868

約数和(自身を除く): 40014328

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 12637, 25274, 50548, 63185, 126370, 139007, 252740, 278014, 556028, 695035, 1390070, 1529077, 2780140, 3058154, 6116308, 7645385, 15290770, 30581540]

約数ペア:

[(1, 30581540), (2, 15290770), (4, 7645385), (5, 6116308), (10, 3058154), (11, 2780140), (20, 1529077), (22, 1390070), (44, 695035), (55, 556028), (110, 278014), (121, 252740), (220, 139007), (242, 126370), (484, 63185), (605, 50548), (1210, 25274), (2420, 12637)]