1428901390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{20412877}}^1$

素因数の和:20412891

約数の個数: 16

約数和(自身を含む): 2939454432

約数和(自身を除く): 1510553042

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 20412877, 40825754, 102064385, 142890139, 204128770, 285780278, 714450695, 1428901390]

約数ペア:

[(1, 1428901390), (2, 714450695), (5, 285780278), (7, 204128770), (10, 142890139), (14, 102064385), (35, 40825754), (70, 20412877)]