339117440

素因数分解:

$2^7\times 5^1\times {\mathrm{529871}}^1$

素因数の和:529890

約数の個数: 32

約数和(自身を含む): 810704160

約数和(自身を除く): 471586720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 529871, 1059742, 2119484, 2649355, 4238968, 5298710, 8477936, 10597420, 16955872, 21194840, 33911744, 42389680, 67823488, 84779360, 169558720, 339117440]

約数ペア:

[(1, 339117440), (2, 169558720), (4, 84779360), (5, 67823488), (8, 42389680), (10, 33911744), (16, 21194840), (20, 16955872), (32, 10597420), (40, 8477936), (64, 5298710), (80, 4238968), (128, 2649355), (160, 2119484), (320, 1059742), (640, 529871)]