398437728

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:265

約数の個数: 192

約数和(自身を含む): 1187524800

約数和(自身を除く): 789087072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 32, 39, 48, 52, 58, 78, 87, 96, 101, 104, 109, 116, 156, 174, 202, 208, 218, 232, 303, 312, 327, 348, 377, 404, 416, 436, 464, 606, 624, 654, 696, 754, 808, 872, 928, 1131, 1212, 1248, 1308, 1313, 1392, 1417, 1508, 1616, 1744, 2262, 2424, 2616, 2626, 2784, 2834, 2929, 3016, 3161, 3232, 3488, 3939, 4251, 4524, 4848, 5232, 5252, 5668, 5858, 6032, 6322, 7878, 8502, 8787, 9048, 9483, 9696, 10464, 10504, 11009, 11336, 11716, 12064, 12644, 15756, 17004, 17574, 18096, 18966, 21008, 22018, 22672, 23432, 25288, 31512, 33027, 34008, 35148, 36192, 37932, 38077, 41093, 42016, 44036, 45344, 46864, 50576, 63024, 66054, 68016, 70296, 75864, 76154, 82186, 88072, 93728, 101152, 114231, 123279, 126048, 132108, 136032, 140592, 143117, 151728, 152308, 164372, 176144, 228462, 246558, 264216, 281184, 286234, 303456, 304616, 319261, 328744, 352288, 429351, 456924, 493116, 528432, 572468, 609232, 638522, 657488, 858702, 913848, 957783, 986232, 1056864, 1144936, 1218464, 1277044, 1314976, 1717404, 1827696, 1915566, 1972464, 2289872, 2554088, 3434808, 3655392, 3831132, 3944928, 4150393, 4579744, 5108176, 6869616, 7662264, 8300786, 10216352, 12451179, 13739232, 15324528, 16601572, 24902358, 30649056, 33203144, 49804716, 66406288, 99609432, 132812576, 199218864, 398437728]

約数ペア:

[(1, 398437728), (2, 199218864), (3, 132812576), (4, 99609432), (6, 66406288), (8, 49804716), (12, 33203144), (13, 30649056), (16, 24902358), (24, 16601572), (26, 15324528), (29, 13739232), (32, 12451179), (39, 10216352), (48, 8300786), (52, 7662264), (58, 6869616), (78, 5108176), (87, 4579744), (96, 4150393), (101, 3944928), (104, 3831132), (109, 3655392), (116, 3434808), (156, 2554088), (174, 2289872), (202, 1972464), (208, 1915566), (218, 1827696), (232, 1717404), (303, 1314976), (312, 1277044), (327, 1218464), (348, 1144936), (377, 1056864), (404, 986232), (416, 957783), (436, 913848), (464, 858702), (606, 657488), (624, 638522), (654, 609232), (696, 572468), (754, 528432), (808, 493116), (872, 456924), (928, 429351), (1131, 352288), (1212, 328744), (1248, 319261), (1308, 304616), (1313, 303456), (1392, 286234), (1417, 281184), (1508, 264216), (1616, 246558), (1744, 228462), (2262, 176144), (2424, 164372), (2616, 152308), (2626, 151728), (2784, 143117), (2834, 140592), (2929, 136032), (3016, 132108), (3161, 126048), (3232, 123279), (3488, 114231), (3939, 101152), (4251, 93728), (4524, 88072), (4848, 82186), (5232, 76154), (5252, 75864), (5668, 70296), (5858, 68016), (6032, 66054), (6322, 63024), (7878, 50576), (8502, 46864), (8787, 45344), (9048, 44036), (9483, 42016), (9696, 41093), (10464, 38077), (10504, 37932), (11009, 36192), (11336, 35148), (11716, 34008), (12064, 33027), (12644, 31512), (15756, 25288), (17004, 23432), (17574, 22672), (18096, 22018), (18966, 21008)]