28378704

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:125

約数の個数: 120

約数和(自身を含む): 82083040

約数和(自身を除く): 53704336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 29, 37, 38, 48, 57, 58, 74, 76, 87, 111, 114, 116, 148, 152, 174, 222, 228, 232, 296, 304, 348, 444, 456, 464, 551, 592, 696, 703, 841, 888, 912, 1073, 1102, 1392, 1406, 1653, 1682, 1776, 2109, 2146, 2204, 2523, 2812, 3219, 3306, 3364, 4218, 4292, 4408, 5046, 5624, 6438, 6612, 6728, 8436, 8584, 8816, 10092, 11248, 12876, 13224, 13456, 15979, 16872, 17168, 20184, 20387, 25752, 26448, 31117, 31958, 33744, 40368, 40774, 47937, 51504, 61161, 62234, 63916, 81548, 93351, 95874, 122322, 124468, 127832, 163096, 186702, 191748, 244644, 248936, 255664, 326192, 373404, 383496, 489288, 497872, 591223, 746808, 766992, 978576, 1182446, 1493616, 1773669, 2364892, 3547338, 4729784, 7094676, 9459568, 14189352, 28378704]

約数ペア:

[(1, 28378704), (2, 14189352), (3, 9459568), (4, 7094676), (6, 4729784), (8, 3547338), (12, 2364892), (16, 1773669), (19, 1493616), (24, 1182446), (29, 978576), (37, 766992), (38, 746808), (48, 591223), (57, 497872), (58, 489288), (74, 383496), (76, 373404), (87, 326192), (111, 255664), (114, 248936), (116, 244644), (148, 191748), (152, 186702), (174, 163096), (222, 127832), (228, 124468), (232, 122322), (296, 95874), (304, 93351), (348, 81548), (444, 63916), (456, 62234), (464, 61161), (551, 51504), (592, 47937), (696, 40774), (703, 40368), (841, 33744), (888, 31958), (912, 31117), (1073, 26448), (1102, 25752), (1392, 20387), (1406, 20184), (1653, 17168), (1682, 16872), (1776, 15979), (2109, 13456), (2146, 13224), (2204, 12876), (2523, 11248), (2812, 10092), (3219, 8816), (3306, 8584), (3364, 8436), (4218, 6728), (4292, 6612), (4408, 6438), (5046, 5624)]