1295007890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{619621}}^1$

素因数の和:619658

約数の個数: 32

約数和(自身を含む): 2676767040

約数和(自身を除く): 1381759150

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 619621, 1239242, 3098105, 6196210, 6815831, 11772799, 13631662, 23545598, 34079155, 58863995, 68158310, 117727990, 129500789, 259001578, 647503945, 1295007890]

約数ペア:

[(1, 1295007890), (2, 647503945), (5, 259001578), (10, 129500789), (11, 117727990), (19, 68158310), (22, 58863995), (38, 34079155), (55, 23545598), (95, 13631662), (110, 11772799), (190, 6815831), (209, 6196210), (418, 3098105), (1045, 1239242), (2090, 619621)]