90291740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{58631}}^1$

素因数の和:58658

約数の個数: 48

約数和(自身を含む): 236404224

約数和(自身を除く): 146112484

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 58631, 117262, 234524, 293155, 410417, 586310, 644941, 820834, 1172620, 1289882, 1641668, 2052085, 2579764, 3224705, 4104170, 4514587, 6449410, 8208340, 9029174, 12898820, 18058348, 22572935, 45145870, 90291740]

約数ペア:

[(1, 90291740), (2, 45145870), (4, 22572935), (5, 18058348), (7, 12898820), (10, 9029174), (11, 8208340), (14, 6449410), (20, 4514587), (22, 4104170), (28, 3224705), (35, 2579764), (44, 2052085), (55, 1641668), (70, 1289882), (77, 1172620), (110, 820834), (140, 644941), (154, 586310), (220, 410417), (308, 293155), (385, 234524), (770, 117262), (1540, 58631)]