1990420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4327}}^1$

素因数の和:4359

約数の個数: 24

約数和(自身を含む): 4362624

約数和(自身を除く): 2372204

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 4327, 8654, 17308, 21635, 43270, 86540, 99521, 199042, 398084, 497605, 995210, 1990420]

約数ペア:

[(1, 1990420), (2, 995210), (4, 497605), (5, 398084), (10, 199042), (20, 99521), (23, 86540), (46, 43270), (92, 21635), (115, 17308), (230, 8654), (460, 4327)]