1990549444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{1979}}^1$

素因数の和:2077

約数の個数: 72

約数和(自身を含む): 4056212160

約数和(自身を除く): 2065662716

約数列:

[1, 2, 4, 13, 23, 26, 29, 46, 52, 58, 92, 116, 299, 377, 598, 667, 754, 841, 1196, 1334, 1508, 1682, 1979, 2668, 3364, 3958, 7916, 8671, 10933, 17342, 19343, 21866, 25727, 34684, 38686, 43732, 45517, 51454, 57391, 77372, 91034, 102908, 114782, 182068, 229564, 251459, 502918, 591721, 746083, 1005836, 1183442, 1319993, 1492166, 1664339, 2366884, 2639986, 2984332, 3328678, 5279972, 6657356, 17159909, 21636407, 34319818, 38279797, 43272814, 68639636, 76559594, 86545628, 153119188, 497637361, 995274722, 1990549444]

約数ペア:

[(1, 1990549444), (2, 995274722), (4, 497637361), (13, 153119188), (23, 86545628), (26, 76559594), (29, 68639636), (46, 43272814), (52, 38279797), (58, 34319818), (92, 21636407), (116, 17159909), (299, 6657356), (377, 5279972), (598, 3328678), (667, 2984332), (754, 2639986), (841, 2366884), (1196, 1664339), (1334, 1492166), (1508, 1319993), (1682, 1183442), (1979, 1005836), (2668, 746083), (3364, 591721), (3958, 502918), (7916, 251459), (8671, 229564), (10933, 182068), (17342, 114782), (19343, 102908), (21866, 91034), (25727, 77372), (34684, 57391), (38686, 51454), (43732, 45517)]