2838100

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 6241788

約数和(自身を除く): 3403688

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 281, 404, 505, 562, 1010, 1124, 1405, 2020, 2525, 2810, 5050, 5620, 7025, 10100, 14050, 28100, 28381, 56762, 113524, 141905, 283810, 567620, 709525, 1419050, 2838100]

約数ペア:

[(1, 2838100), (2, 1419050), (4, 709525), (5, 567620), (10, 283810), (20, 141905), (25, 113524), (50, 56762), (100, 28381), (101, 28100), (202, 14050), (281, 10100), (404, 7025), (505, 5620), (562, 5050), (1010, 2810), (1124, 2525), (1405, 2020)]