851894780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3872249}}^1$

素因数の和:3872269

約数の個数: 24

約数和(自身を含む): 1951614000

約数和(自身を除く): 1099719220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3872249, 7744498, 15488996, 19361245, 38722490, 42594739, 77444980, 85189478, 170378956, 212973695, 425947390, 851894780]

約数ペア:

[(1, 851894780), (2, 425947390), (4, 212973695), (5, 170378956), (10, 85189478), (11, 77444980), (20, 42594739), (22, 38722490), (44, 19361245), (55, 15488996), (110, 7744498), (220, 3872249)]