289341320

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{87151}}^1$

素因数の和:87245

約数の個数: 32

約数和(自身を含む): 658869120

約数和(自身を除く): 369527800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 87151, 174302, 348604, 435755, 697208, 871510, 1743020, 3486040, 7233533, 14467066, 28934132, 36167665, 57868264, 72335330, 144670660, 289341320]

約数ペア:

[(1, 289341320), (2, 144670660), (4, 72335330), (5, 57868264), (8, 36167665), (10, 28934132), (20, 14467066), (40, 7233533), (83, 3486040), (166, 1743020), (332, 871510), (415, 697208), (664, 435755), (830, 348604), (1660, 174302), (3320, 87151)]