71950100

素因数分解:

$2^2\times 5^2\times {\mathrm{521}}^1\times {\mathrm{1381}}^1$

素因数の和:1916

約数の個数: 36

約数和(自身を含む): 156544668

約数和(自身を除く): 84594568

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 521, 1042, 1381, 2084, 2605, 2762, 5210, 5524, 6905, 10420, 13025, 13810, 26050, 27620, 34525, 52100, 69050, 138100, 719501, 1439002, 2878004, 3597505, 7195010, 14390020, 17987525, 35975050, 71950100]

約数ペア:

[(1, 71950100), (2, 35975050), (4, 17987525), (5, 14390020), (10, 7195010), (20, 3597505), (25, 2878004), (50, 1439002), (100, 719501), (521, 138100), (1042, 69050), (1381, 52100), (2084, 34525), (2605, 27620), (2762, 26050), (5210, 13810), (5524, 13025), (6905, 10420)]