201030340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{205133}}^1$

素因数の和:205156

約数の個数: 36

約数和(自身を含む): 491090796

約数和(自身を除く): 290060456

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 205133, 410266, 820532, 1025665, 1435931, 2051330, 2871862, 4102660, 5743724, 7179655, 10051517, 14359310, 20103034, 28718620, 40206068, 50257585, 100515170, 201030340]

約数ペア:

[(1, 201030340), (2, 100515170), (4, 50257585), (5, 40206068), (7, 28718620), (10, 20103034), (14, 14359310), (20, 10051517), (28, 7179655), (35, 5743724), (49, 4102660), (70, 2871862), (98, 2051330), (140, 1435931), (196, 1025665), (245, 820532), (490, 410266), (980, 205133)]