142257380

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{6899}}^1$

素因数の和:7939

約数の個数: 24

約数和(自身を含む): 299073600

約数和(自身を除く): 156816220

約数列:

[1, 2, 4, 5, 10, 20, 1031, 2062, 4124, 5155, 6899, 10310, 13798, 20620, 27596, 34495, 68990, 137980, 7112869, 14225738, 28451476, 35564345, 71128690, 142257380]

約数ペア:

[(1, 142257380), (2, 71128690), (4, 35564345), (5, 28451476), (10, 14225738), (20, 7112869), (1031, 137980), (2062, 68990), (4124, 34495), (5155, 27596), (6899, 20620), (10310, 13798)]