855226120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{6121}}^1$

素因数の和:6638

約数の個数: 64

約数和(自身を含む): 2203920000

約数和(自身を除く): 1348693880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499, 998, 1996, 2495, 3493, 3992, 4990, 6121, 6986, 9980, 12242, 13972, 17465, 19960, 24484, 27944, 30605, 34930, 42847, 48968, 61210, 69860, 85694, 122420, 139720, 171388, 214235, 244840, 342776, 428470, 856940, 1713880, 3054379, 6108758, 12217516, 15271895, 21380653, 24435032, 30543790, 42761306, 61087580, 85522612, 106903265, 122175160, 171045224, 213806530, 427613060, 855226120]

約数ペア:

[(1, 855226120), (2, 427613060), (4, 213806530), (5, 171045224), (7, 122175160), (8, 106903265), (10, 85522612), (14, 61087580), (20, 42761306), (28, 30543790), (35, 24435032), (40, 21380653), (56, 15271895), (70, 12217516), (140, 6108758), (280, 3054379), (499, 1713880), (998, 856940), (1996, 428470), (2495, 342776), (3493, 244840), (3992, 214235), (4990, 171388), (6121, 139720), (6986, 122420), (9980, 85694), (12242, 69860), (13972, 61210), (17465, 48968), (19960, 42847), (24484, 34930), (27944, 30605)]