77172740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{54347}}^1$

素因数の和:54427

約数の個数: 24

約数和(自身を含む): 164348352

約数和(自身を除く): 87175612

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 54347, 108694, 217388, 271735, 543470, 1086940, 3858637, 7717274, 15434548, 19293185, 38586370, 77172740]

約数ペア:

[(1, 77172740), (2, 38586370), (4, 19293185), (5, 15434548), (10, 7717274), (20, 3858637), (71, 1086940), (142, 543470), (284, 271735), (355, 217388), (710, 108694), (1420, 54347)]