149041280

素因数分解:

$2^7\times 5^1\times {\mathrm{232877}}^1$

素因数の和:232896

約数の個数: 32

約数和(自身を含む): 356303340

約数和(自身を除く): 207262060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 232877, 465754, 931508, 1164385, 1863016, 2328770, 3726032, 4657540, 7452064, 9315080, 14904128, 18630160, 29808256, 37260320, 74520640, 149041280]

約数ペア:

[(1, 149041280), (2, 74520640), (4, 37260320), (5, 29808256), (8, 18630160), (10, 14904128), (16, 9315080), (20, 7452064), (32, 4657540), (40, 3726032), (64, 2328770), (80, 1863016), (128, 1164385), (160, 931508), (320, 465754), (640, 232877)]