131569480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{469891}}^1$

素因数の和:469909

約数の個数: 32

約数和(自身を含む): 338322240

約数和(自身を除く): 206752760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 469891, 939782, 1879564, 2349455, 3289237, 3759128, 4698910, 6578474, 9397820, 13156948, 16446185, 18795640, 26313896, 32892370, 65784740, 131569480]

約数ペア:

[(1, 131569480), (2, 65784740), (4, 32892370), (5, 26313896), (7, 18795640), (8, 16446185), (10, 13156948), (14, 9397820), (20, 6578474), (28, 4698910), (35, 3759128), (40, 3289237), (56, 2349455), (70, 1879564), (140, 939782), (280, 469891)]