30217180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2137}}^1$

素因数の和:2254

約数の個数: 48

約数和(自身を含む): 73273536

約数和(自身を除く): 43056356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2137, 2828, 3535, 4274, 7070, 8548, 10685, 14140, 14959, 21370, 29918, 42740, 59836, 74795, 149590, 215837, 299180, 431674, 863348, 1079185, 1510859, 2158370, 3021718, 4316740, 6043436, 7554295, 15108590, 30217180]

約数ペア:

[(1, 30217180), (2, 15108590), (4, 7554295), (5, 6043436), (7, 4316740), (10, 3021718), (14, 2158370), (20, 1510859), (28, 1079185), (35, 863348), (70, 431674), (101, 299180), (140, 215837), (202, 149590), (404, 74795), (505, 59836), (707, 42740), (1010, 29918), (1414, 21370), (2020, 14959), (2137, 14140), (2828, 10685), (3535, 8548), (4274, 7070)]