2017619780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{129169}}^1$

素因数の和:129260

約数の個数: 48

約数和(自身を含む): 4687320960

約数和(自身を除く): 2669701180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 15620, 129169, 258338, 516676, 645845, 1291690, 1420859, 2583380, 2841718, 5683436, 7104295, 9170999, 14208590, 18341998, 28417180, 36683996, 45854995, 91709990, 100880989, 183419980, 201761978, 403523956, 504404945, 1008809890, 2017619780]

約数ペア:

[(1, 2017619780), (2, 1008809890), (4, 504404945), (5, 403523956), (10, 201761978), (11, 183419980), (20, 100880989), (22, 91709990), (44, 45854995), (55, 36683996), (71, 28417180), (110, 18341998), (142, 14208590), (220, 9170999), (284, 7104295), (355, 5683436), (710, 2841718), (781, 2583380), (1420, 1420859), (1562, 1291690), (3124, 645845), (3905, 516676), (7810, 258338), (15620, 129169)]