274808380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{178447}}^1$

素因数の和:178474

約数の個数: 48

約数和(自身を含む): 719502336

約数和(自身を除く): 444693956

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, 178447, 356894, 713788, 892235, 1249129, 1784470, 1962917, 2498258, 3568940, 3925834, 4996516, 6245645, 7851668, 9814585, 12491290, 13740419, 19629170, 24982580, 27480838, 39258340, 54961676, 68702095, 137404190, 274808380]

約数ペア:

[(1, 274808380), (2, 137404190), (4, 68702095), (5, 54961676), (7, 39258340), (10, 27480838), (11, 24982580), (14, 19629170), (20, 13740419), (22, 12491290), (28, 9814585), (35, 7851668), (44, 6245645), (55, 4996516), (70, 3925834), (77, 3568940), (110, 2498258), (140, 1962917), (154, 1784470), (220, 1249129), (308, 892235), (385, 713788), (770, 356894), (1540, 178447)]