28780495730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{297719}}^1$

素因数の和:299114

約数の個数: 32

約数和(自身を含む): 59248661760

約数和(自身を除く): 30468166030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1381, 2762, 6905, 9667, 13810, 19334, 48335, 96670, 297719, 595438, 1488595, 2084033, 2977190, 4168066, 10420165, 20840330, 411149939, 822299878, 2055749695, 2878049573, 4111499390, 5756099146, 14390247865, 28780495730]

約数ペア:

[(1, 28780495730), (2, 14390247865), (5, 5756099146), (7, 4111499390), (10, 2878049573), (14, 2055749695), (35, 822299878), (70, 411149939), (1381, 20840330), (2762, 10420165), (6905, 4168066), (9667, 2977190), (13810, 2084033), (19334, 1488595), (48335, 595438), (96670, 297719)]