123480400

素因数分解:

$2^4\times 5^2\times {\mathrm{308701}}^1$

素因数の和:308719

約数の個数: 30

約数和(自身を含む): 296662622

約数和(自身を除く): 173182222

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 308701, 617402, 1234804, 1543505, 2469608, 3087010, 4939216, 6174020, 7717525, 12348040, 15435050, 24696080, 30870100, 61740200, 123480400]

約数ペア:

[(1, 123480400), (2, 61740200), (4, 30870100), (5, 24696080), (8, 15435050), (10, 12348040), (16, 7717525), (20, 6174020), (25, 4939216), (40, 3087010), (50, 2469608), (80, 1543505), (100, 1234804), (200, 617402), (400, 308701)]