78413180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1381}}^1$

素因数の和:1574

約数の個数: 48

約数和(自身を含む): 175525056

約数和(自身を除く): 97111876

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 167, 170, 334, 340, 668, 835, 1381, 1670, 2762, 2839, 3340, 5524, 5678, 6905, 11356, 13810, 14195, 23477, 27620, 28390, 46954, 56780, 93908, 117385, 230627, 234770, 461254, 469540, 922508, 1153135, 2306270, 3920659, 4612540, 7841318, 15682636, 19603295, 39206590, 78413180]

約数ペア:

[(1, 78413180), (2, 39206590), (4, 19603295), (5, 15682636), (10, 7841318), (17, 4612540), (20, 3920659), (34, 2306270), (68, 1153135), (85, 922508), (167, 469540), (170, 461254), (334, 234770), (340, 230627), (668, 117385), (835, 93908), (1381, 56780), (1670, 46954), (2762, 28390), (2839, 27620), (3340, 23477), (5524, 14195), (5678, 13810), (6905, 11356)]