1279394410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2611009}}^1$

素因数の和:2611030

約数の個数: 24

約数和(自身を含む): 2678896260

約数和(自身を除く): 1399501850

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2611009, 5222018, 13055045, 18277063, 26110090, 36554126, 91385315, 127939441, 182770630, 255878882, 639697205, 1279394410]

約数ペア:

[(1, 1279394410), (2, 639697205), (5, 255878882), (7, 182770630), (10, 127939441), (14, 91385315), (35, 36554126), (49, 26110090), (70, 18277063), (98, 13055045), (245, 5222018), (490, 2611009)]