90305740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{645041}}^1$

素因数の和:645057

約数の個数: 24

約数和(自身を含む): 216734112

約数和(自身を除く): 126428372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 645041, 1290082, 2580164, 3225205, 4515287, 6450410, 9030574, 12900820, 18061148, 22576435, 45152870, 90305740]

約数ペア:

[(1, 90305740), (2, 45152870), (4, 22576435), (5, 18061148), (7, 12900820), (10, 9030574), (14, 6450410), (20, 4515287), (28, 3225205), (35, 2580164), (70, 1290082), (140, 645041)]