90013420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{642953}}^1$

素因数の和:642969

約数の個数: 24

約数和(自身を含む): 216032544

約数和(自身を除く): 126019124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 642953, 1285906, 2571812, 3214765, 4500671, 6429530, 9001342, 12859060, 18002684, 22503355, 45006710, 90013420]

約数ペア:

[(1, 90013420), (2, 45006710), (4, 22503355), (5, 18002684), (7, 12859060), (10, 9001342), (14, 6429530), (20, 4500671), (28, 3214765), (35, 2571812), (70, 1285906), (140, 642953)]