409090420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{889327}}^1$

素因数の和:889359

約数の個数: 24

約数和(自身を含む): 896442624

約数和(自身を除く): 487352204

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 889327, 1778654, 3557308, 4446635, 8893270, 17786540, 20454521, 40909042, 81818084, 102272605, 204545210, 409090420]

約数ペア:

[(1, 409090420), (2, 204545210), (4, 102272605), (5, 81818084), (10, 40909042), (20, 20454521), (23, 17786540), (46, 8893270), (92, 4446635), (115, 3557308), (230, 1778654), (460, 889327)]