334839080

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{8447}}^1$

素因数の和:9449

約数の個数: 32

約数和(自身を含む): 754237440

約数和(自身を除く): 419398360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3964, 4955, 7928, 8447, 9910, 16894, 19820, 33788, 39640, 42235, 67576, 84470, 168940, 337880, 8370977, 16741954, 33483908, 41854885, 66967816, 83709770, 167419540, 334839080]

約数ペア:

[(1, 334839080), (2, 167419540), (4, 83709770), (5, 66967816), (8, 41854885), (10, 33483908), (20, 16741954), (40, 8370977), (991, 337880), (1982, 168940), (3964, 84470), (4955, 67576), (7928, 42235), (8447, 39640), (9910, 33788), (16894, 19820)]