308707490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{339239}}^1$

素因数の和:339266

約数の個数: 32

約数和(自身を含む): 683907840

約数和(自身を除く): 375200350

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 339239, 678478, 1696195, 2374673, 3392390, 4410107, 4749346, 8820214, 11873365, 22050535, 23746730, 30870749, 44101070, 61741498, 154353745, 308707490]

約数ペア:

[(1, 308707490), (2, 154353745), (5, 61741498), (7, 44101070), (10, 30870749), (13, 23746730), (14, 22050535), (26, 11873365), (35, 8820214), (65, 4749346), (70, 4410107), (91, 3392390), (130, 2374673), (182, 1696195), (455, 678478), (910, 339239)]