229268840

素因数分解:

$2^3\times 5^1\times {\mathrm{787}}^1\times {\mathrm{7283}}^1$

素因数の和:8081

約数の個数: 32

約数和(自身を含む): 516581280

約数和(自身を除く): 287312440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 787, 1574, 3148, 3935, 6296, 7283, 7870, 14566, 15740, 29132, 31480, 36415, 58264, 72830, 145660, 291320, 5731721, 11463442, 22926884, 28658605, 45853768, 57317210, 114634420, 229268840]

約数ペア:

[(1, 229268840), (2, 114634420), (4, 57317210), (5, 45853768), (8, 28658605), (10, 22926884), (20, 11463442), (40, 5731721), (787, 291320), (1574, 145660), (3148, 72830), (3935, 58264), (6296, 36415), (7283, 31480), (7870, 29132), (14566, 15740)]