199442090

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 363242880

約数和(自身を除く): 163800790

約数列:

[1, 2, 5, 10, 181, 251, 362, 439, 502, 878, 905, 1255, 1810, 2195, 2510, 4390, 45431, 79459, 90862, 110189, 158918, 220378, 227155, 397295, 454310, 550945, 794590, 1101890, 19944209, 39888418, 99721045, 199442090]

約数ペア:

[(1, 199442090), (2, 99721045), (5, 39888418), (10, 19944209), (181, 1101890), (251, 794590), (362, 550945), (439, 454310), (502, 397295), (878, 227155), (905, 220378), (1255, 158918), (1810, 110189), (2195, 90862), (2510, 79459), (4390, 45431)]