245087480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{557017}}^1$

素因数の和:557039

約数の個数: 32

約数和(自身を含む): 601579440

約数和(自身を除く): 356491960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 557017, 1114034, 2228068, 2785085, 4456136, 5570170, 6127187, 11140340, 12254374, 22280680, 24508748, 30635935, 49017496, 61271870, 122543740, 245087480]

約数ペア:

[(1, 245087480), (2, 122543740), (4, 61271870), (5, 49017496), (8, 30635935), (10, 24508748), (11, 22280680), (20, 12254374), (22, 11140340), (40, 6127187), (44, 5570170), (55, 4456136), (88, 2785085), (110, 2228068), (220, 1114034), (440, 557017)]