17400680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 43390080

約数和(自身を除く): 25989400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 557, 568, 710, 781, 1114, 1420, 1562, 2228, 2785, 2840, 3124, 3905, 4456, 5570, 6127, 6248, 7810, 11140, 12254, 15620, 22280, 24508, 30635, 31240, 39547, 49016, 61270, 79094, 122540, 158188, 197735, 245080, 316376, 395470, 435017, 790940, 870034, 1581880, 1740068, 2175085, 3480136, 4350170, 8700340, 17400680]

約数ペア:

[(1, 17400680), (2, 8700340), (4, 4350170), (5, 3480136), (8, 2175085), (10, 1740068), (11, 1581880), (20, 870034), (22, 790940), (40, 435017), (44, 395470), (55, 316376), (71, 245080), (88, 197735), (110, 158188), (142, 122540), (220, 79094), (284, 61270), (355, 49016), (440, 39547), (557, 31240), (568, 30635), (710, 24508), (781, 22280), (1114, 15620), (1420, 12254), (1562, 11140), (2228, 7810), (2785, 6248), (2840, 6127), (3124, 5570), (3905, 4456)]