343221520

素因数分解:

$2^4\times 5^1\times {\mathrm{4290269}}^1$

素因数の和:4290282

約数の個数: 20

約数和(自身を含む): 797990220

約数和(自身を除く): 454768700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4290269, 8580538, 17161076, 21451345, 34322152, 42902690, 68644304, 85805380, 171610760, 343221520]

約数ペア:

[(1, 343221520), (2, 171610760), (4, 85805380), (5, 68644304), (8, 42902690), (10, 34322152), (16, 21451345), (20, 17161076), (40, 8580538), (80, 4290269)]