199400840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{94057}}^1$

素因数の和:94121

約数の個数: 32

約数和(自身を含む): 457121880

約数和(自身を除く): 257721040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 94057, 188114, 376228, 470285, 752456, 940570, 1881140, 3762280, 4985021, 9970042, 19940084, 24925105, 39880168, 49850210, 99700420, 199400840]

約数ペア:

[(1, 199400840), (2, 99700420), (4, 49850210), (5, 39880168), (8, 24925105), (10, 19940084), (20, 9970042), (40, 4985021), (53, 3762280), (106, 1881140), (212, 940570), (265, 752456), (424, 470285), (530, 376228), (1060, 188114), (2120, 94057)]