215813290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{280277}}^1$

素因数の和:280302

約数の個数: 32

約数和(自身を含む): 484320384

約数和(自身を除く): 268507094

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 280277, 560554, 1401385, 1961939, 2802770, 3083047, 3923878, 6166094, 9809695, 15415235, 19619390, 21581329, 30830470, 43162658, 107906645, 215813290]

約数ペア:

[(1, 215813290), (2, 107906645), (5, 43162658), (7, 30830470), (10, 21581329), (11, 19619390), (14, 15415235), (22, 9809695), (35, 6166094), (55, 3923878), (70, 3083047), (77, 2802770), (110, 1961939), (154, 1401385), (385, 560554), (770, 280277)]