208620456

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 608076000

約数和(自身を除く): 399455544

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 66, 76, 88, 114, 121, 132, 152, 199, 209, 228, 242, 264, 361, 363, 398, 418, 456, 484, 597, 627, 722, 726, 796, 836, 968, 1083, 1194, 1254, 1444, 1452, 1592, 1672, 2166, 2189, 2299, 2388, 2508, 2888, 2904, 3781, 3971, 4332, 4378, 4598, 4776, 5016, 6567, 6897, 7562, 7942, 8664, 8756, 9196, 11343, 11913, 13134, 13794, 15124, 15884, 17512, 18392, 22686, 23826, 24079, 26268, 27588, 30248, 31768, 41591, 43681, 45372, 47652, 48158, 52536, 55176, 71839, 72237, 83182, 87362, 90744, 95304, 96316, 124773, 131043, 143678, 144474, 166364, 174724, 192632, 215517, 249546, 262086, 287356, 288948, 332728, 349448, 431034, 457501, 499092, 524172, 574712, 577896, 790229, 862068, 915002, 998184, 1048344, 1372503, 1580458, 1724136, 1830004, 2370687, 2745006, 3160916, 3660008, 4741374, 5490012, 6321832, 8692519, 9482748, 10980024, 17385038, 18965496, 26077557, 34770076, 52155114, 69540152, 104310228, 208620456]

約数ペア:

[(1, 208620456), (2, 104310228), (3, 69540152), (4, 52155114), (6, 34770076), (8, 26077557), (11, 18965496), (12, 17385038), (19, 10980024), (22, 9482748), (24, 8692519), (33, 6321832), (38, 5490012), (44, 4741374), (57, 3660008), (66, 3160916), (76, 2745006), (88, 2370687), (114, 1830004), (121, 1724136), (132, 1580458), (152, 1372503), (199, 1048344), (209, 998184), (228, 915002), (242, 862068), (264, 790229), (361, 577896), (363, 574712), (398, 524172), (418, 499092), (456, 457501), (484, 431034), (597, 349448), (627, 332728), (722, 288948), (726, 287356), (796, 262086), (836, 249546), (968, 215517), (1083, 192632), (1194, 174724), (1254, 166364), (1444, 144474), (1452, 143678), (1592, 131043), (1672, 124773), (2166, 96316), (2189, 95304), (2299, 90744), (2388, 87362), (2508, 83182), (2888, 72237), (2904, 71839), (3781, 55176), (3971, 52536), (4332, 48158), (4378, 47652), (4598, 45372), (4776, 43681), (5016, 41591), (6567, 31768), (6897, 30248), (7562, 27588), (7942, 26268), (8664, 24079), (8756, 23826), (9196, 22686), (11343, 18392), (11913, 17512), (13134, 15884), (13794, 15124)]