291222140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1323737}}^1$

素因数の和:1323757

約数の個数: 24

約数和(自身を含む): 667163952

約数和(自身を除く): 375941812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1323737, 2647474, 5294948, 6618685, 13237370, 14561107, 26474740, 29122214, 58244428, 72805535, 145611070, 291222140]

約数ペア:

[(1, 291222140), (2, 145611070), (4, 72805535), (5, 58244428), (10, 29122214), (11, 26474740), (20, 14561107), (22, 13237370), (44, 6618685), (55, 5294948), (110, 2647474), (220, 1323737)]