2123170

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{619}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 4464000

約数和(自身を除く): 2340830

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 619, 686, 1238, 1715, 3095, 3430, 4333, 6190, 8666, 21665, 30331, 43330, 60662, 151655, 212317, 303310, 424634, 1061585, 2123170]

約数ペア:

[(1, 2123170), (2, 1061585), (5, 424634), (7, 303310), (10, 212317), (14, 151655), (35, 60662), (49, 43330), (70, 30331), (98, 21665), (245, 8666), (343, 6190), (490, 4333), (619, 3430), (686, 3095), (1238, 1715)]