397189280

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{57731}}^1$

素因数の和:57789

約数の個数: 48

約数和(自身を含む): 960198624

約数和(自身を除く): 563009344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 57731, 115462, 230924, 288655, 461848, 577310, 923696, 1154620, 1847392, 2309240, 2482433, 4618480, 4964866, 9236960, 9929732, 12412165, 19859464, 24824330, 39718928, 49648660, 79437856, 99297320, 198594640, 397189280]

約数ペア:

[(1, 397189280), (2, 198594640), (4, 99297320), (5, 79437856), (8, 49648660), (10, 39718928), (16, 24824330), (20, 19859464), (32, 12412165), (40, 9929732), (43, 9236960), (80, 4964866), (86, 4618480), (160, 2482433), (172, 2309240), (215, 1847392), (344, 1154620), (430, 923696), (688, 577310), (860, 461848), (1376, 288655), (1720, 230924), (3440, 115462), (6880, 57731)]