531316940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{345011}}^1$

素因数の和:345038

約数の個数: 48

約数和(自身を含む): 1391088384

約数和(自身を除く): 859771444

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, 345011, 690022, 1380044, 1725055, 2415077, 3450110, 3795121, 4830154, 6900220, 7590242, 9660308, 12075385, 15180484, 18975605, 24150770, 26565847, 37951210, 48301540, 53131694, 75902420, 106263388, 132829235, 265658470, 531316940]

約数ペア:

[(1, 531316940), (2, 265658470), (4, 132829235), (5, 106263388), (7, 75902420), (10, 53131694), (11, 48301540), (14, 37951210), (20, 26565847), (22, 24150770), (28, 18975605), (35, 15180484), (44, 12075385), (55, 9660308), (70, 7590242), (77, 6900220), (110, 4830154), (140, 3795121), (154, 3450110), (220, 2415077), (308, 1725055), (385, 1380044), (770, 690022), (1540, 345011)]