1780062340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{438439}}^1$

素因数の和:438484

約数の個数: 48

約数和(自身を含む): 4419475200

約数和(自身を除く): 2639412860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 438439, 876878, 1753756, 2192195, 3069073, 4384390, 6138146, 8768780, 12276292, 12714731, 15345365, 25429462, 30690730, 50858924, 61381460, 63573655, 89003117, 127147310, 178006234, 254294620, 356012468, 445015585, 890031170, 1780062340]

約数ペア:

[(1, 1780062340), (2, 890031170), (4, 445015585), (5, 356012468), (7, 254294620), (10, 178006234), (14, 127147310), (20, 89003117), (28, 63573655), (29, 61381460), (35, 50858924), (58, 30690730), (70, 25429462), (116, 15345365), (140, 12714731), (145, 12276292), (203, 8768780), (290, 6138146), (406, 4384390), (580, 3069073), (812, 2192195), (1015, 1753756), (2030, 876878), (4060, 438439)]