149893360

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9511}}^1$

素因数の和:9721

約数の個数: 40

約数和(自身を含む): 350307936

約数和(自身を除く): 200414576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 9511, 15760, 19022, 38044, 47555, 76088, 95110, 152176, 190220, 380440, 760880, 1873667, 3747334, 7494668, 9368335, 14989336, 18736670, 29978672, 37473340, 74946680, 149893360]

約数ペア:

[(1, 149893360), (2, 74946680), (4, 37473340), (5, 29978672), (8, 18736670), (10, 14989336), (16, 9368335), (20, 7494668), (40, 3747334), (80, 1873667), (197, 760880), (394, 380440), (788, 190220), (985, 152176), (1576, 95110), (1970, 76088), (3152, 47555), (3940, 38044), (7880, 19022), (9511, 15760)]