155481340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{3571}}^1$

素因数の和:3898

約数の個数: 48

約数和(自身を含む): 374459904

約数和(自身を除く): 218978564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 1244, 1555, 2177, 3110, 3571, 4354, 6220, 7142, 8708, 10885, 14284, 17855, 21770, 24997, 35710, 43540, 49994, 71420, 99988, 124985, 249970, 499940, 1110581, 2221162, 4442324, 5552905, 7774067, 11105810, 15548134, 22211620, 31096268, 38870335, 77740670, 155481340]

約数ペア:

[(1, 155481340), (2, 77740670), (4, 38870335), (5, 31096268), (7, 22211620), (10, 15548134), (14, 11105810), (20, 7774067), (28, 5552905), (35, 4442324), (70, 2221162), (140, 1110581), (311, 499940), (622, 249970), (1244, 124985), (1555, 99988), (2177, 71420), (3110, 49994), (3571, 43540), (4354, 35710), (6220, 24997), (7142, 21770), (8708, 17855), (10885, 14284)]