858900740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{704017}}^1$

素因数の和:704087

約数の個数: 24

約数和(自身を含む): 1833262872

約数和(自身を除く): 974362132

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 704017, 1408034, 2816068, 3520085, 7040170, 14080340, 42945037, 85890074, 171780148, 214725185, 429450370, 858900740]

約数ペア:

[(1, 858900740), (2, 429450370), (4, 214725185), (5, 171780148), (10, 85890074), (20, 42945037), (61, 14080340), (122, 7040170), (244, 3520085), (305, 2816068), (610, 1408034), (1220, 704017)]