528156775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^2\times {\mathrm{109}}^1$

素因数の和:340

約数の個数: 36

約数和(自身を含む): 702664600

約数和(自身を除く): 174507825

約数列:

[1, 5, 19, 25, 95, 101, 109, 475, 505, 545, 1919, 2071, 2525, 2725, 9595, 10201, 10355, 11009, 47975, 51005, 51775, 55045, 193819, 209171, 255025, 275225, 969095, 1045855, 1111909, 4845475, 5229275, 5559545, 21126271, 27797725, 105631355, 528156775]

約数ペア:

[(1, 528156775), (5, 105631355), (19, 27797725), (25, 21126271), (95, 5559545), (101, 5229275), (109, 4845475), (475, 1111909), (505, 1045855), (545, 969095), (1919, 275225), (2071, 255025), (2525, 209171), (2725, 193819), (9595, 55045), (10201, 51775), (10355, 51005), (11009, 47975)]