2798390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{5711}}^1$

素因数の和:5732

約数の個数: 24

約数和(自身を含む): 5860512

約数和(自身を除く): 3062122

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 5711, 11422, 28555, 39977, 57110, 79954, 199885, 279839, 399770, 559678, 1399195, 2798390]

約数ペア:

[(1, 2798390), (2, 1399195), (5, 559678), (7, 399770), (10, 279839), (14, 199885), (35, 79954), (49, 57110), (70, 39977), (98, 28555), (245, 11422), (490, 5711)]