197281460

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{8737}}^1$

素因数の和:9875

約数の個数: 24

約数和(自身を含む): 414705480

約数和(自身を除く): 217424020

約数列:

[1, 2, 4, 5, 10, 20, 1129, 2258, 4516, 5645, 8737, 11290, 17474, 22580, 34948, 43685, 87370, 174740, 9864073, 19728146, 39456292, 49320365, 98640730, 197281460]

約数ペア:

[(1, 197281460), (2, 98640730), (4, 49320365), (5, 39456292), (10, 19728146), (20, 9864073), (1129, 174740), (2258, 87370), (4516, 43685), (5645, 34948), (8737, 22580), (11290, 17474)]