68071220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{486223}}^1$

素因数の和:486239

約数の個数: 24

約数和(自身を含む): 163371264

約数和(自身を除く): 95300044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 486223, 972446, 1944892, 2431115, 3403561, 4862230, 6807122, 9724460, 13614244, 17017805, 34035610, 68071220]

約数ペア:

[(1, 68071220), (2, 34035610), (4, 17017805), (5, 13614244), (7, 9724460), (10, 6807122), (14, 4862230), (20, 3403561), (28, 2431115), (35, 1944892), (70, 972446), (140, 486223)]