318393488

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{953}}^1$

素因数の和:1144

約数の個数: 80

約数和(自身を含む): 747630720

約数和(自身を除く): 429237232

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 157, 266, 304, 314, 532, 628, 953, 1064, 1099, 1256, 1906, 2128, 2198, 2512, 2983, 3812, 4396, 5966, 6671, 7624, 8792, 11932, 13342, 15248, 17584, 18107, 20881, 23864, 26684, 36214, 41762, 47728, 53368, 72428, 83524, 106736, 126749, 144856, 149621, 167048, 253498, 289712, 299242, 334096, 506996, 598484, 1013992, 1047347, 1196968, 2027984, 2094694, 2393936, 2842799, 4189388, 5685598, 8378776, 11371196, 16757552, 19899593, 22742392, 39799186, 45484784, 79598372, 159196744, 318393488]

約数ペア:

[(1, 318393488), (2, 159196744), (4, 79598372), (7, 45484784), (8, 39799186), (14, 22742392), (16, 19899593), (19, 16757552), (28, 11371196), (38, 8378776), (56, 5685598), (76, 4189388), (112, 2842799), (133, 2393936), (152, 2094694), (157, 2027984), (266, 1196968), (304, 1047347), (314, 1013992), (532, 598484), (628, 506996), (953, 334096), (1064, 299242), (1099, 289712), (1256, 253498), (1906, 167048), (2128, 149621), (2198, 144856), (2512, 126749), (2983, 106736), (3812, 83524), (4396, 72428), (5966, 53368), (6671, 47728), (7624, 41762), (8792, 36214), (11932, 26684), (13342, 23864), (15248, 20881), (17584, 18107)]