820247620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{104891}}^1$

素因数の和:104940

約数の個数: 48

約数和(自身を含む): 1903160448

約数和(自身を除く): 1082912828

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, 104891, 209782, 419564, 524455, 1048910, 1783147, 2097820, 2412493, 3566294, 4824986, 7132588, 8915735, 9649972, 12062465, 17831470, 24124930, 35662940, 41012381, 48249860, 82024762, 164049524, 205061905, 410123810, 820247620]

約数ペア:

[(1, 820247620), (2, 410123810), (4, 205061905), (5, 164049524), (10, 82024762), (17, 48249860), (20, 41012381), (23, 35662940), (34, 24124930), (46, 17831470), (68, 12062465), (85, 9649972), (92, 8915735), (115, 7132588), (170, 4824986), (230, 3566294), (340, 2412493), (391, 2097820), (460, 1783147), (782, 1048910), (1564, 524455), (1955, 419564), (3910, 209782), (7820, 104891)]