2005017916

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:304

約数の個数: 108

約数和(自身を含む): 4151693952

約数和(自身を除く): 2146676036

約数列:

[1, 2, 4, 11, 22, 23, 41, 44, 46, 82, 92, 121, 164, 191, 242, 253, 382, 451, 484, 506, 529, 764, 902, 943, 1012, 1058, 1804, 1886, 2101, 2116, 2783, 3772, 4202, 4393, 4961, 5566, 5819, 7831, 8404, 8786, 9922, 10373, 11132, 11638, 15662, 17572, 19844, 20746, 21689, 23111, 23276, 31324, 41492, 43378, 46222, 48323, 64009, 86141, 86756, 92444, 96646, 101039, 114103, 128018, 172282, 180113, 193292, 202078, 228206, 238579, 256036, 344564, 360226, 404156, 456412, 477158, 531553, 720452, 947551, 954316, 1063106, 1111429, 1895102, 1981243, 2126212, 2222858, 2624369, 3790204, 3962486, 4142599, 4445716, 5248738, 7924972, 8285198, 10497476, 12225719, 16570396, 21793673, 24451438, 43587346, 45568589, 48902876, 87174692, 91137178, 182274356, 501254479, 1002508958, 2005017916]

約数ペア:

[(1, 2005017916), (2, 1002508958), (4, 501254479), (11, 182274356), (22, 91137178), (23, 87174692), (41, 48902876), (44, 45568589), (46, 43587346), (82, 24451438), (92, 21793673), (121, 16570396), (164, 12225719), (191, 10497476), (242, 8285198), (253, 7924972), (382, 5248738), (451, 4445716), (484, 4142599), (506, 3962486), (529, 3790204), (764, 2624369), (902, 2222858), (943, 2126212), (1012, 1981243), (1058, 1895102), (1804, 1111429), (1886, 1063106), (2101, 954316), (2116, 947551), (2783, 720452), (3772, 531553), (4202, 477158), (4393, 456412), (4961, 404156), (5566, 360226), (5819, 344564), (7831, 256036), (8404, 238579), (8786, 228206), (9922, 202078), (10373, 193292), (11132, 180113), (11638, 172282), (15662, 128018), (17572, 114103), (19844, 101039), (20746, 96646), (21689, 92444), (23111, 86756), (23276, 86141), (31324, 64009), (41492, 48323), (43378, 46222)]