641744390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{23447}}^1$

素因数の和:23501

約数の個数: 64

約数和(自身を含む): 1458653184

約数和(自身を除く): 816908794

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 70, 85, 115, 119, 161, 170, 230, 238, 322, 391, 595, 782, 805, 1190, 1610, 1955, 2737, 3910, 5474, 13685, 23447, 27370, 46894, 117235, 164129, 234470, 328258, 398599, 539281, 797198, 820645, 1078562, 1641290, 1992995, 2696405, 2790193, 3774967, 3985990, 5392810, 5580386, 7549934, 9167777, 13950965, 18335554, 18874835, 27901930, 37749670, 45838885, 64174439, 91677770, 128348878, 320872195, 641744390]

約数ペア:

[(1, 641744390), (2, 320872195), (5, 128348878), (7, 91677770), (10, 64174439), (14, 45838885), (17, 37749670), (23, 27901930), (34, 18874835), (35, 18335554), (46, 13950965), (70, 9167777), (85, 7549934), (115, 5580386), (119, 5392810), (161, 3985990), (170, 3774967), (230, 2790193), (238, 2696405), (322, 1992995), (391, 1641290), (595, 1078562), (782, 820645), (805, 797198), (1190, 539281), (1610, 398599), (1955, 328258), (2737, 234470), (3910, 164129), (5474, 117235), (13685, 46894), (23447, 27370)]