201516910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{411259}}^1$

素因数の和:411280

約数の個数: 24

約数和(自身を含む): 421952760

約数和(自身を除く): 220435850

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 411259, 822518, 2056295, 2878813, 4112590, 5757626, 14394065, 20151691, 28788130, 40303382, 100758455, 201516910]

約数ペア:

[(1, 201516910), (2, 100758455), (5, 40303382), (7, 28788130), (10, 20151691), (14, 14394065), (35, 5757626), (49, 4112590), (70, 2878813), (98, 2056295), (245, 822518), (490, 411259)]