28855700

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{2857}}^1$

素因数の和:2972

約数の個数: 36

約数和(自身を含む): 63258972

約数和(自身を除く): 34403272

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 2020, 2525, 2857, 5050, 5714, 10100, 11428, 14285, 28570, 57140, 71425, 142850, 285700, 288557, 577114, 1154228, 1442785, 2885570, 5771140, 7213925, 14427850, 28855700]

約数ペア:

[(1, 28855700), (2, 14427850), (4, 7213925), (5, 5771140), (10, 2885570), (20, 1442785), (25, 1154228), (50, 577114), (100, 288557), (101, 285700), (202, 142850), (404, 71425), (505, 57140), (1010, 28570), (2020, 14285), (2525, 11428), (2857, 10100), (5050, 5714)]