1808788990

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{8581}}^1$

素因数の和:8892

約数の個数: 32

約数和(自身を含む): 3303314784

約数和(自身を除く): 1494525794

約数列:

[1, 2, 5, 10, 107, 197, 214, 394, 535, 985, 1070, 1970, 8581, 17162, 21079, 42158, 42905, 85810, 105395, 210790, 918167, 1690457, 1836334, 3380914, 4590835, 8452285, 9181670, 16904570, 180878899, 361757798, 904394495, 1808788990]

約数ペア:

[(1, 1808788990), (2, 904394495), (5, 361757798), (10, 180878899), (107, 16904570), (197, 9181670), (214, 8452285), (394, 4590835), (535, 3380914), (985, 1836334), (1070, 1690457), (1970, 918167), (8581, 210790), (17162, 105395), (21079, 85810), (42158, 42905)]