28953700

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2083}}^1$

素因数の和:2236

約数の個数: 36

約数和(自身を含む): 63311920

約数和(自身を除く): 34358220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2083, 2780, 3475, 4166, 6950, 8332, 10415, 13900, 20830, 41660, 52075, 104150, 208300, 289537, 579074, 1158148, 1447685, 2895370, 5790740, 7238425, 14476850, 28953700]

約数ペア:

[(1, 28953700), (2, 14476850), (4, 7238425), (5, 5790740), (10, 2895370), (20, 1447685), (25, 1158148), (50, 579074), (100, 289537), (139, 208300), (278, 104150), (556, 52075), (695, 41660), (1390, 20830), (2083, 13900), (2780, 10415), (3475, 8332), (4166, 6950)]