7278380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21407}}^1$

素因数の和:21433

約数の個数: 24

約数和(自身を含む): 16184448

約数和(自身を除く): 8906068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 21407, 42814, 85628, 107035, 214070, 363919, 428140, 727838, 1455676, 1819595, 3639190, 7278380]

約数ペア:

[(1, 7278380), (2, 3639190), (4, 1819595), (5, 1455676), (10, 727838), (17, 428140), (20, 363919), (34, 214070), (68, 107035), (85, 85628), (170, 42814), (340, 21407)]