77717540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{228581}}^1$

素因数の和:228607

約数の個数: 24

約数和(自身を含む): 172807992

約数和(自身を除く): 95090452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 228581, 457162, 914324, 1142905, 2285810, 3885877, 4571620, 7771754, 15543508, 19429385, 38858770, 77717540]

約数ペア:

[(1, 77717540), (2, 38858770), (4, 19429385), (5, 15543508), (10, 7771754), (17, 4571620), (20, 3885877), (34, 2285810), (68, 1142905), (85, 914324), (170, 457162), (340, 228581)]