121400380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{209311}}^1$

素因数の和:209349

約数の個数: 24

約数和(自身を含む): 263733120

約数和(自身を除く): 142332740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 209311, 418622, 837244, 1046555, 2093110, 4186220, 6070019, 12140038, 24280076, 30350095, 60700190, 121400380]

約数ペア:

[(1, 121400380), (2, 60700190), (4, 30350095), (5, 24280076), (10, 12140038), (20, 6070019), (29, 4186220), (58, 2093110), (116, 1046555), (145, 837244), (290, 418622), (580, 209311)]