90700540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647861}}^1$

素因数の和:647877

約数の個数: 24

約数和(自身を含む): 217681632

約数和(自身を除く): 126981092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647861, 1295722, 2591444, 3239305, 4535027, 6478610, 9070054, 12957220, 18140108, 22675135, 45350270, 90700540]

約数ペア:

[(1, 90700540), (2, 45350270), (4, 22675135), (5, 18140108), (7, 12957220), (10, 9070054), (14, 6478610), (20, 4535027), (28, 3239305), (35, 2591444), (70, 1295722), (140, 647861)]