89427490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{1087}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 169989120

約数和(自身を除く): 80561630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 433, 866, 1087, 2165, 2174, 4330, 5435, 8227, 10870, 16454, 20653, 41135, 41306, 82270, 103265, 206530, 470671, 941342, 2353355, 4706710, 8942749, 17885498, 44713745, 89427490]

約数ペア:

[(1, 89427490), (2, 44713745), (5, 17885498), (10, 8942749), (19, 4706710), (38, 2353355), (95, 941342), (190, 470671), (433, 206530), (866, 103265), (1087, 82270), (2165, 41306), (2174, 41135), (4330, 20653), (5435, 16454), (8227, 10870)]