201980680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{459047}}^1$

素因数の和:459069

約数の個数: 32

約数和(自身を含む): 495771840

約数和(自身を除く): 293791160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 459047, 918094, 1836188, 2295235, 3672376, 4590470, 5049517, 9180940, 10099034, 18361880, 20198068, 25247585, 40396136, 50495170, 100990340, 201980680]

約数ペア:

[(1, 201980680), (2, 100990340), (4, 50495170), (5, 40396136), (8, 25247585), (10, 20198068), (11, 18361880), (20, 10099034), (22, 9180940), (40, 5049517), (44, 4590470), (55, 3672376), (88, 2295235), (110, 1836188), (220, 918094), (440, 459047)]