399968928

素因数分解:

$2^5\times 3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:381

約数の個数: 240

約数和(自身を含む): 1292555880

約数和(自身を除く): 892586952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 29, 32, 34, 36, 48, 51, 54, 58, 68, 72, 81, 87, 96, 102, 108, 116, 136, 144, 153, 162, 174, 204, 216, 232, 261, 272, 288, 306, 313, 324, 348, 408, 432, 459, 464, 493, 522, 544, 612, 626, 648, 696, 783, 816, 864, 918, 928, 939, 986, 1044, 1224, 1252, 1296, 1377, 1392, 1479, 1566, 1632, 1836, 1878, 1972, 2088, 2349, 2448, 2504, 2592, 2754, 2784, 2817, 2958, 3132, 3672, 3756, 3944, 4176, 4437, 4698, 4896, 5008, 5321, 5508, 5634, 5916, 6264, 7344, 7512, 7888, 8352, 8451, 8874, 9077, 9396, 10016, 10642, 11016, 11268, 11832, 12528, 13311, 14688, 15024, 15776, 15963, 16902, 17748, 18154, 18792, 21284, 22032, 22536, 23664, 25056, 25353, 26622, 27231, 30048, 31926, 33804, 35496, 36308, 37584, 39933, 42568, 44064, 45072, 47328, 47889, 50706, 53244, 54462, 63852, 67608, 70992, 72616, 75168, 79866, 81693, 85136, 90144, 95778, 101412, 106488, 108924, 127704, 135216, 141984, 143667, 145232, 154309, 159732, 163386, 170272, 191556, 202824, 212976, 217848, 245079, 255408, 270432, 287334, 290464, 308618, 319464, 326772, 383112, 405648, 425952, 431001, 435696, 462927, 490158, 510816, 574668, 617236, 638928, 653544, 735237, 766224, 811296, 862002, 871392, 925854, 980316, 1149336, 1234472, 1277856, 1307088, 1388781, 1470474, 1532448, 1724004, 1851708, 1960632, 2298672, 2468944, 2614176, 2777562, 2940948, 3448008, 3703416, 3921264, 4166343, 4597344, 4937888, 5555124, 5881896, 6896016, 7406832, 7842528, 8332686, 11110248, 11763792, 12499029, 13792032, 14813664, 16665372, 22220496, 23527584, 24998058, 33330744, 44440992, 49996116, 66661488, 99992232, 133322976, 199984464, 399968928]

約数ペア:

[(1, 399968928), (2, 199984464), (3, 133322976), (4, 99992232), (6, 66661488), (8, 49996116), (9, 44440992), (12, 33330744), (16, 24998058), (17, 23527584), (18, 22220496), (24, 16665372), (27, 14813664), (29, 13792032), (32, 12499029), (34, 11763792), (36, 11110248), (48, 8332686), (51, 7842528), (54, 7406832), (58, 6896016), (68, 5881896), (72, 5555124), (81, 4937888), (87, 4597344), (96, 4166343), (102, 3921264), (108, 3703416), (116, 3448008), (136, 2940948), (144, 2777562), (153, 2614176), (162, 2468944), (174, 2298672), (204, 1960632), (216, 1851708), (232, 1724004), (261, 1532448), (272, 1470474), (288, 1388781), (306, 1307088), (313, 1277856), (324, 1234472), (348, 1149336), (408, 980316), (432, 925854), (459, 871392), (464, 862002), (493, 811296), (522, 766224), (544, 735237), (612, 653544), (626, 638928), (648, 617236), (696, 574668), (783, 510816), (816, 490158), (864, 462927), (918, 435696), (928, 431001), (939, 425952), (986, 405648), (1044, 383112), (1224, 326772), (1252, 319464), (1296, 308618), (1377, 290464), (1392, 287334), (1479, 270432), (1566, 255408), (1632, 245079), (1836, 217848), (1878, 212976), (1972, 202824), (2088, 191556), (2349, 170272), (2448, 163386), (2504, 159732), (2592, 154309), (2754, 145232), (2784, 143667), (2817, 141984), (2958, 135216), (3132, 127704), (3672, 108924), (3756, 106488), (3944, 101412), (4176, 95778), (4437, 90144), (4698, 85136), (4896, 81693), (5008, 79866), (5321, 75168), (5508, 72616), (5634, 70992), (5916, 67608), (6264, 63852), (7344, 54462), (7512, 53244), (7888, 50706), (8352, 47889), (8451, 47328), (8874, 45072), (9077, 44064), (9396, 42568), (10016, 39933), (10642, 37584), (11016, 36308), (11268, 35496), (11832, 33804), (12528, 31926), (13311, 30048), (14688, 27231), (15024, 26622), (15776, 25353), (15963, 25056), (16902, 23664), (17748, 22536), (18154, 22032), (18792, 21284)]