203204525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{1021}}^1$

素因数の和:1469

約数の個数: 24

約数和(自身を含む): 266128800

約数和(自身を除く): 62924275

約数列:

[1, 5, 19, 25, 95, 419, 475, 1021, 2095, 5105, 7961, 10475, 19399, 25525, 39805, 96995, 199025, 427799, 484975, 2138995, 8128181, 10694975, 40640905, 203204525]

約数ペア:

[(1, 203204525), (5, 40640905), (19, 10694975), (25, 8128181), (95, 2138995), (419, 484975), (475, 427799), (1021, 199025), (2095, 96995), (5105, 39805), (7961, 25525), (10475, 19399)]