20988528050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{310711}}^1$

素因数の和:310923

約数の個数: 48

約数和(自身を含む): 44846927232

約数和(自身を除く): 23858399182

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 193, 350, 386, 965, 1351, 1930, 2702, 4825, 6755, 9650, 13510, 33775, 67550, 310711, 621422, 1553555, 2174977, 3107110, 4349954, 7767775, 10874885, 15535550, 21749770, 54374425, 59967223, 108748850, 119934446, 299836115, 419770561, 599672230, 839541122, 1499180575, 2098852805, 2998361150, 4197705610, 10494264025, 20988528050]

約数ペア:

[(1, 20988528050), (2, 10494264025), (5, 4197705610), (7, 2998361150), (10, 2098852805), (14, 1499180575), (25, 839541122), (35, 599672230), (50, 419770561), (70, 299836115), (175, 119934446), (193, 108748850), (350, 59967223), (386, 54374425), (965, 21749770), (1351, 15535550), (1930, 10874885), (2702, 7767775), (4825, 4349954), (6755, 3107110), (9650, 2174977), (13510, 1553555), (33775, 621422), (67550, 310711)]