2278990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4651}}^1$

素因数の和:4672

約数の個数: 24

約数和(自身を含む): 4772952

約数和(自身を除く): 2493962

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4651, 9302, 23255, 32557, 46510, 65114, 162785, 227899, 325570, 455798, 1139495, 2278990]

約数ペア:

[(1, 2278990), (2, 1139495), (5, 455798), (7, 325570), (10, 227899), (14, 162785), (35, 65114), (49, 46510), (70, 32557), (98, 23255), (245, 9302), (490, 4651)]