74219720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43151}}^1$

素因数の和:43205

約数の個数: 32

約数和(自身を含む): 170881920

約数和(自身を除く): 96662200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 43151, 86302, 172604, 215755, 345208, 431510, 863020, 1726040, 1855493, 3710986, 7421972, 9277465, 14843944, 18554930, 37109860, 74219720]

約数ペア:

[(1, 74219720), (2, 37109860), (4, 18554930), (5, 14843944), (8, 9277465), (10, 7421972), (20, 3710986), (40, 1855493), (43, 1726040), (86, 863020), (172, 431510), (215, 345208), (344, 215755), (430, 172604), (860, 86302), (1720, 43151)]