289330580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{187877}}^1$

素因数の和:187904

約数の個数: 48

約数和(自身を含む): 757524096

約数和(自身を除く): 468193516

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, 187877, 375754, 751508, 939385, 1315139, 1878770, 2066647, 2630278, 3757540, 4133294, 5260556, 6575695, 8266588, 10333235, 13151390, 14466529, 20666470, 26302780, 28933058, 41332940, 57866116, 72332645, 144665290, 289330580]

約数ペア:

[(1, 289330580), (2, 144665290), (4, 72332645), (5, 57866116), (7, 41332940), (10, 28933058), (11, 26302780), (14, 20666470), (20, 14466529), (22, 13151390), (28, 10333235), (35, 8266588), (44, 6575695), (55, 5260556), (70, 4133294), (77, 3757540), (110, 2630278), (140, 2066647), (154, 1878770), (220, 1315139), (308, 939385), (385, 751508), (770, 375754), (1540, 187877)]