123478704

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:383

約数の個数: 120

約数和(自身を含む): 361088000

約数和(自身を除く): 237609296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 139, 144, 186, 199, 248, 278, 279, 372, 398, 417, 496, 556, 558, 597, 744, 796, 834, 1112, 1116, 1194, 1251, 1488, 1592, 1668, 1791, 2224, 2232, 2388, 2502, 3184, 3336, 3582, 4309, 4464, 4776, 5004, 6169, 6672, 7164, 8618, 9552, 10008, 12338, 12927, 14328, 17236, 18507, 20016, 24676, 25854, 27661, 28656, 34472, 37014, 38781, 49352, 51708, 55322, 55521, 68944, 74028, 77562, 82983, 98704, 103416, 110644, 111042, 148056, 155124, 165966, 206832, 221288, 222084, 248949, 296112, 310248, 331932, 442576, 444168, 497898, 620496, 663864, 857491, 888336, 995796, 1327728, 1714982, 1991592, 2572473, 3429964, 3983184, 5144946, 6859928, 7717419, 10289892, 13719856, 15434838, 20579784, 30869676, 41159568, 61739352, 123478704]

約数ペア:

[(1, 123478704), (2, 61739352), (3, 41159568), (4, 30869676), (6, 20579784), (8, 15434838), (9, 13719856), (12, 10289892), (16, 7717419), (18, 6859928), (24, 5144946), (31, 3983184), (36, 3429964), (48, 2572473), (62, 1991592), (72, 1714982), (93, 1327728), (124, 995796), (139, 888336), (144, 857491), (186, 663864), (199, 620496), (248, 497898), (278, 444168), (279, 442576), (372, 331932), (398, 310248), (417, 296112), (496, 248949), (556, 222084), (558, 221288), (597, 206832), (744, 165966), (796, 155124), (834, 148056), (1112, 111042), (1116, 110644), (1194, 103416), (1251, 98704), (1488, 82983), (1592, 77562), (1668, 74028), (1791, 68944), (2224, 55521), (2232, 55322), (2388, 51708), (2502, 49352), (3184, 38781), (3336, 37014), (3582, 34472), (4309, 28656), (4464, 27661), (4776, 25854), (5004, 24676), (6169, 20016), (6672, 18507), (7164, 17236), (8618, 14328), (9552, 12927), (10008, 12338)]