978049310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1996019}}^1$

素因数の和:1996040

約数の個数: 24

約数和(自身を含む): 2047916520

約数和(自身を除く): 1069867210

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1996019, 3992038, 9980095, 13972133, 19960190, 27944266, 69860665, 97804931, 139721330, 195609862, 489024655, 978049310]

約数ペア:

[(1, 978049310), (2, 489024655), (5, 195609862), (7, 139721330), (10, 97804931), (14, 69860665), (35, 27944266), (49, 19960190), (70, 13972133), (98, 9980095), (245, 3992038), (490, 1996019)]