78911620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10091}}^1$

素因数の和:10140

約数の個数: 48

約数和(自身を含む): 183109248

約数和(自身を除く): 104197628

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 10091, 20182, 40364, 50455, 100910, 171547, 201820, 232093, 343094, 464186, 686188, 857735, 928372, 1160465, 1715470, 2320930, 3430940, 3945581, 4641860, 7891162, 15782324, 19727905, 39455810, 78911620]

約数ペア:

[(1, 78911620), (2, 39455810), (4, 19727905), (5, 15782324), (10, 7891162), (17, 4641860), (20, 3945581), (23, 3430940), (34, 2320930), (46, 1715470), (68, 1160465), (85, 928372), (92, 857735), (115, 686188), (170, 464186), (230, 343094), (340, 232093), (391, 201820), (460, 171547), (782, 100910), (1564, 50455), (1955, 40364), (3910, 20182), (7820, 10091)]