1957480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{6991}}^1$

素因数の和:7009

約数の個数: 32

約数和(自身を含む): 5034240

約数和(自身を除く): 3076760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 6991, 13982, 27964, 34955, 48937, 55928, 69910, 97874, 139820, 195748, 244685, 279640, 391496, 489370, 978740, 1957480]

約数ペア:

[(1, 1957480), (2, 978740), (4, 489370), (5, 391496), (7, 279640), (8, 244685), (10, 195748), (14, 139820), (20, 97874), (28, 69910), (35, 55928), (40, 48937), (56, 34955), (70, 27964), (140, 13982), (280, 6991)]