66142780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{300649}}^1$

素因数の和:300669

約数の個数: 24

約数和(自身を含む): 151527600

約数和(自身を除く): 85384820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 300649, 601298, 1202596, 1503245, 3006490, 3307139, 6012980, 6614278, 13228556, 16535695, 33071390, 66142780]

約数ペア:

[(1, 66142780), (2, 33071390), (4, 16535695), (5, 13228556), (10, 6614278), (11, 6012980), (20, 3307139), (22, 3006490), (44, 1503245), (55, 1202596), (110, 601298), (220, 300649)]