1687070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 3865968

約数和(自身を除く): 2178898

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 313, 385, 490, 539, 626, 770, 1078, 1565, 2191, 2695, 3130, 3443, 4382, 5390, 6886, 10955, 15337, 17215, 21910, 24101, 30674, 34430, 48202, 76685, 120505, 153370, 168707, 241010, 337414, 843535, 1687070]

約数ペア:

[(1, 1687070), (2, 843535), (5, 337414), (7, 241010), (10, 168707), (11, 153370), (14, 120505), (22, 76685), (35, 48202), (49, 34430), (55, 30674), (70, 24101), (77, 21910), (98, 17215), (110, 15337), (154, 10955), (245, 6886), (313, 5390), (385, 4382), (490, 3443), (539, 3130), (626, 2695), (770, 2191), (1078, 1565)]