212318008

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 509644800

約数和(自身を除く): 297326792

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 41, 56, 62, 76, 82, 124, 133, 152, 157, 164, 217, 248, 266, 287, 314, 328, 434, 532, 574, 589, 628, 779, 868, 1064, 1099, 1148, 1178, 1256, 1271, 1558, 1736, 2198, 2296, 2356, 2542, 2983, 3116, 4123, 4396, 4712, 4867, 5084, 5453, 5966, 6232, 6437, 8246, 8792, 8897, 9734, 10168, 10906, 11932, 12874, 16492, 17794, 19468, 20881, 21812, 23864, 24149, 25748, 32984, 34069, 35588, 38936, 41762, 43624, 45059, 48298, 51496, 68138, 71176, 83524, 90118, 92473, 96596, 122303, 136276, 167048, 169043, 180236, 184946, 193192, 199547, 244606, 272552, 338086, 360472, 369892, 399094, 489212, 647311, 676172, 739784, 798188, 856121, 978424, 1294622, 1352344, 1396829, 1596376, 1712242, 2589244, 2793658, 3424484, 3791393, 5178488, 5587316, 6848968, 7582786, 11174632, 15165572, 26539751, 30331144, 53079502, 106159004, 212318008]

約数ペア:

[(1, 212318008), (2, 106159004), (4, 53079502), (7, 30331144), (8, 26539751), (14, 15165572), (19, 11174632), (28, 7582786), (31, 6848968), (38, 5587316), (41, 5178488), (56, 3791393), (62, 3424484), (76, 2793658), (82, 2589244), (124, 1712242), (133, 1596376), (152, 1396829), (157, 1352344), (164, 1294622), (217, 978424), (248, 856121), (266, 798188), (287, 739784), (314, 676172), (328, 647311), (434, 489212), (532, 399094), (574, 369892), (589, 360472), (628, 338086), (779, 272552), (868, 244606), (1064, 199547), (1099, 193192), (1148, 184946), (1178, 180236), (1256, 169043), (1271, 167048), (1558, 136276), (1736, 122303), (2198, 96596), (2296, 92473), (2356, 90118), (2542, 83524), (2983, 71176), (3116, 68138), (4123, 51496), (4396, 48298), (4712, 45059), (4867, 43624), (5084, 41762), (5453, 38936), (5966, 35588), (6232, 34069), (6437, 32984), (8246, 25748), (8792, 24149), (8897, 23864), (9734, 21812), (10168, 20881), (10906, 19468), (11932, 17794), (12874, 16492)]