77860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 173880

約数和(自身を除く): 96020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 229, 340, 458, 916, 1145, 2290, 3893, 4580, 7786, 15572, 19465, 38930, 77860]

約数ペア:

[(1, 77860), (2, 38930), (4, 19465), (5, 15572), (10, 7786), (17, 4580), (20, 3893), (34, 2290), (68, 1145), (85, 916), (170, 458), (229, 340)]