1456220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4283}}^1$

素因数の和:4309

約数の個数: 24

約数和(自身を含む): 3238704

約数和(自身を除く): 1782484

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 4283, 8566, 17132, 21415, 42830, 72811, 85660, 145622, 291244, 364055, 728110, 1456220]

約数ペア:

[(1, 1456220), (2, 728110), (4, 364055), (5, 291244), (10, 145622), (17, 85660), (20, 72811), (34, 42830), (68, 21415), (85, 17132), (170, 8566), (340, 4283)]