2213996890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{643}}^1\times {\mathrm{7027}}^1$

素因数の和:7691

約数の個数: 48

約数和(自身を含む): 4643708832

約数和(自身を除く): 2429711942

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 643, 1286, 3215, 4501, 6430, 7027, 9002, 14054, 22505, 31507, 35135, 45010, 49189, 63014, 70270, 98378, 157535, 245945, 315070, 344323, 491890, 688646, 1721615, 3443230, 4518361, 9036722, 22591805, 31628527, 45183610, 63257054, 158142635, 221399689, 316285270, 442799378, 1106998445, 2213996890]

約数ペア:

[(1, 2213996890), (2, 1106998445), (5, 442799378), (7, 316285270), (10, 221399689), (14, 158142635), (35, 63257054), (49, 45183610), (70, 31628527), (98, 22591805), (245, 9036722), (490, 4518361), (643, 3443230), (1286, 1721615), (3215, 688646), (4501, 491890), (6430, 344323), (7027, 315070), (9002, 245945), (14054, 157535), (22505, 98378), (31507, 70270), (35135, 63014), (45010, 49189)]