398478528

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 280

約数和(自身を含む): 1376883200

約数和(自身を除く): 978404672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 79, 81, 84, 96, 108, 112, 126, 139, 144, 158, 162, 168, 189, 192, 216, 224, 237, 252, 278, 288, 316, 324, 336, 378, 417, 432, 448, 474, 504, 553, 556, 567, 576, 632, 648, 672, 711, 756, 834, 864, 948, 973, 1008, 1106, 1112, 1134, 1251, 1264, 1296, 1344, 1422, 1512, 1659, 1668, 1728, 1896, 1946, 2016, 2133, 2212, 2224, 2268, 2502, 2528, 2592, 2844, 2919, 3024, 3318, 3336, 3753, 3792, 3892, 4032, 4266, 4424, 4448, 4536, 4977, 5004, 5056, 5184, 5688, 5838, 6048, 6399, 6636, 6672, 7506, 7584, 7784, 8532, 8757, 8848, 8896, 9072, 9954, 10008, 10981, 11259, 11376, 11676, 12096, 12798, 13272, 13344, 14931, 15012, 15168, 15568, 17064, 17514, 17696, 18144, 19908, 20016, 21962, 22518, 22752, 23352, 25596, 26271, 26544, 26688, 29862, 30024, 31136, 32943, 34128, 35028, 35392, 36288, 39816, 40032, 43924, 44793, 45036, 45504, 46704, 51192, 52542, 53088, 59724, 60048, 62272, 65886, 68256, 70056, 76867, 78813, 79632, 80064, 87848, 89586, 90072, 93408, 98829, 102384, 105084, 106176, 119448, 120096, 131772, 136512, 140112, 153734, 157626, 159264, 175696, 179172, 180144, 186816, 197658, 204768, 210168, 230601, 238896, 240192, 263544, 280224, 296487, 307468, 315252, 318528, 351392, 358344, 360288, 395316, 409536, 420336, 461202, 477792, 527088, 560448, 592974, 614936, 630504, 691803, 702784, 716688, 720576, 790632, 840672, 889461, 922404, 955584, 1054176, 1185948, 1229872, 1261008, 1383606, 1433376, 1581264, 1681344, 1778922, 1844808, 2075409, 2108352, 2371896, 2459744, 2522016, 2767212, 2866752, 3162528, 3557844, 3689616, 4150818, 4743792, 4919488, 5044032, 5534424, 6226227, 6325056, 7115688, 7379232, 8301636, 9487584, 11068848, 12452454, 14231376, 14758464, 16603272, 18975168, 22137696, 24904908, 28462752, 33206544, 44275392, 49809816, 56925504, 66413088, 99619632, 132826176, 199239264, 398478528]

約数ペア:

[(1, 398478528), (2, 199239264), (3, 132826176), (4, 99619632), (6, 66413088), (7, 56925504), (8, 49809816), (9, 44275392), (12, 33206544), (14, 28462752), (16, 24904908), (18, 22137696), (21, 18975168), (24, 16603272), (27, 14758464), (28, 14231376), (32, 12452454), (36, 11068848), (42, 9487584), (48, 8301636), (54, 7379232), (56, 7115688), (63, 6325056), (64, 6226227), (72, 5534424), (79, 5044032), (81, 4919488), (84, 4743792), (96, 4150818), (108, 3689616), (112, 3557844), (126, 3162528), (139, 2866752), (144, 2767212), (158, 2522016), (162, 2459744), (168, 2371896), (189, 2108352), (192, 2075409), (216, 1844808), (224, 1778922), (237, 1681344), (252, 1581264), (278, 1433376), (288, 1383606), (316, 1261008), (324, 1229872), (336, 1185948), (378, 1054176), (417, 955584), (432, 922404), (448, 889461), (474, 840672), (504, 790632), (553, 720576), (556, 716688), (567, 702784), (576, 691803), (632, 630504), (648, 614936), (672, 592974), (711, 560448), (756, 527088), (834, 477792), (864, 461202), (948, 420336), (973, 409536), (1008, 395316), (1106, 360288), (1112, 358344), (1134, 351392), (1251, 318528), (1264, 315252), (1296, 307468), (1344, 296487), (1422, 280224), (1512, 263544), (1659, 240192), (1668, 238896), (1728, 230601), (1896, 210168), (1946, 204768), (2016, 197658), (2133, 186816), (2212, 180144), (2224, 179172), (2268, 175696), (2502, 159264), (2528, 157626), (2592, 153734), (2844, 140112), (2919, 136512), (3024, 131772), (3318, 120096), (3336, 119448), (3753, 106176), (3792, 105084), (3892, 102384), (4032, 98829), (4266, 93408), (4424, 90072), (4448, 89586), (4536, 87848), (4977, 80064), (5004, 79632), (5056, 78813), (5184, 76867), (5688, 70056), (5838, 68256), (6048, 65886), (6399, 62272), (6636, 60048), (6672, 59724), (7506, 53088), (7584, 52542), (7784, 51192), (8532, 46704), (8757, 45504), (8848, 45036), (8896, 44793), (9072, 43924), (9954, 40032), (10008, 39816), (10981, 36288), (11259, 35392), (11376, 35028), (11676, 34128), (12096, 32943), (12798, 31136), (13272, 30024), (13344, 29862), (14931, 26688), (15012, 26544), (15168, 26271), (15568, 25596), (17064, 23352), (17514, 22752), (17696, 22518), (18144, 21962), (19908, 20016)]