331497620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{42391}}^1$

素因数の和:42440

約数の個数: 48

約数和(自身を含む): 769160448

約数和(自身を除く): 437662828

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, 42391, 84782, 169564, 211955, 423910, 720647, 847820, 974993, 1441294, 1949986, 2882588, 3603235, 3899972, 4874965, 7206470, 9749930, 14412940, 16574881, 19499860, 33149762, 66299524, 82874405, 165748810, 331497620]

約数ペア:

[(1, 331497620), (2, 165748810), (4, 82874405), (5, 66299524), (10, 33149762), (17, 19499860), (20, 16574881), (23, 14412940), (34, 9749930), (46, 7206470), (68, 4874965), (85, 3899972), (92, 3603235), (115, 2882588), (170, 1949986), (230, 1441294), (340, 974993), (391, 847820), (460, 720647), (782, 423910), (1564, 211955), (1955, 169564), (3910, 84782), (7820, 42391)]