9800900

素因数分解:

$2^2\times 5^2\times {\mathrm{98009}}^1$

素因数の和:98023

約数の個数: 18

約数和(自身を含む): 21268170

約数和(自身を除く): 11467270

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 98009, 196018, 392036, 490045, 980090, 1960180, 2450225, 4900450, 9800900]

約数ペア:

[(1, 9800900), (2, 4900450), (4, 2450225), (5, 1960180), (10, 980090), (20, 490045), (25, 392036), (50, 196018), (100, 98009)]