113642020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 243654768

約数和(自身を除く): 130012748

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 277, 281, 292, 365, 554, 562, 730, 1108, 1124, 1385, 1405, 1460, 2770, 2810, 5540, 5620, 20221, 20513, 40442, 41026, 77837, 80884, 82052, 101105, 102565, 155674, 202210, 205130, 311348, 389185, 404420, 410260, 778370, 1556740, 5682101, 11364202, 22728404, 28410505, 56821010, 113642020]

約数ペア:

[(1, 113642020), (2, 56821010), (4, 28410505), (5, 22728404), (10, 11364202), (20, 5682101), (73, 1556740), (146, 778370), (277, 410260), (281, 404420), (292, 389185), (365, 311348), (554, 205130), (562, 202210), (730, 155674), (1108, 102565), (1124, 101105), (1385, 82052), (1405, 80884), (1460, 77837), (2770, 41026), (2810, 40442), (5540, 20513), (5620, 20221)]