9838420

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3539}}^1$

素因数の和:3687

約数の個数: 24

約数和(自身を含む): 20815200

約数和(自身を除く): 10976780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 3539, 7078, 14156, 17695, 35390, 70780, 491921, 983842, 1967684, 2459605, 4919210, 9838420]

約数ペア:

[(1, 9838420), (2, 4919210), (4, 2459605), (5, 1967684), (10, 983842), (20, 491921), (139, 70780), (278, 35390), (556, 17695), (695, 14156), (1390, 7078), (2780, 3539)]