1222431980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{793787}}^1$

素因数の和:793814

約数の個数: 48

約数和(自身を含む): 3200553216

約数和(自身を除く): 1978121236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 793787, 1587574, 3175148, 3968935, 5556509, 7937870, 8731657, 11113018, 15875740, 17463314, 22226036, 27782545, 34926628, 43658285, 55565090, 61121599, 87316570, 111130180, 122243198, 174633140, 244486396, 305607995, 611215990, 1222431980]

約数ペア:

[(1, 1222431980), (2, 611215990), (4, 305607995), (5, 244486396), (7, 174633140), (10, 122243198), (11, 111130180), (14, 87316570), (20, 61121599), (22, 55565090), (28, 43658285), (35, 34926628), (44, 27782545), (55, 22226036), (70, 17463314), (77, 15875740), (110, 11113018), (140, 8731657), (154, 7937870), (220, 5556509), (308, 3968935), (385, 3175148), (770, 1587574), (1540, 793787)]