90028540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643061}}^1$

素因数の和:643077

約数の個数: 24

約数和(自身を含む): 216068832

約数和(自身を除く): 126040292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643061, 1286122, 2572244, 3215305, 4501427, 6430610, 9002854, 12861220, 18005708, 22507135, 45014270, 90028540]

約数ペア:

[(1, 90028540), (2, 45014270), (4, 22507135), (5, 18005708), (7, 12861220), (10, 9002854), (14, 6430610), (20, 4501427), (28, 3215305), (35, 2572244), (70, 1286122), (140, 643061)]