2222140

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 4706352

約数和(自身を除く): 2484212

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 811, 1370, 1622, 2740, 3244, 4055, 8110, 16220, 111107, 222214, 444428, 555535, 1111070, 2222140]

約数ペア:

[(1, 2222140), (2, 1111070), (4, 555535), (5, 444428), (10, 222214), (20, 111107), (137, 16220), (274, 8110), (548, 4055), (685, 3244), (811, 2740), (1370, 1622)]