205499808

素因数分解:

$2^5\times 3^3\times {\mathrm{17}}^2\times {\mathrm{823}}^1$

素因数の和:876

約数の個数: 144

約数和(自身を含む): 637479360

約数和(自身を除く): 431979552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 96, 102, 108, 136, 144, 153, 204, 216, 272, 288, 289, 306, 408, 432, 459, 544, 578, 612, 816, 823, 864, 867, 918, 1156, 1224, 1632, 1646, 1734, 1836, 2312, 2448, 2469, 2601, 3292, 3468, 3672, 4624, 4896, 4938, 5202, 6584, 6936, 7344, 7407, 7803, 9248, 9876, 10404, 13168, 13872, 13991, 14688, 14814, 15606, 19752, 20808, 22221, 26336, 27744, 27982, 29628, 31212, 39504, 41616, 41973, 44442, 55964, 59256, 62424, 79008, 83232, 83946, 88884, 111928, 118512, 124848, 125919, 167892, 177768, 223856, 237024, 237847, 249696, 251838, 335784, 355536, 377757, 447712, 475694, 503676, 671568, 711072, 713541, 755514, 951388, 1007352, 1343136, 1427082, 1511028, 1902776, 2014704, 2140623, 2854164, 3022056, 3805552, 4029408, 4281246, 5708328, 6044112, 6421869, 7611104, 8562492, 11416656, 12088224, 12843738, 17124984, 22833312, 25687476, 34249968, 51374952, 68499936, 102749904, 205499808]

約数ペア:

[(1, 205499808), (2, 102749904), (3, 68499936), (4, 51374952), (6, 34249968), (8, 25687476), (9, 22833312), (12, 17124984), (16, 12843738), (17, 12088224), (18, 11416656), (24, 8562492), (27, 7611104), (32, 6421869), (34, 6044112), (36, 5708328), (48, 4281246), (51, 4029408), (54, 3805552), (68, 3022056), (72, 2854164), (96, 2140623), (102, 2014704), (108, 1902776), (136, 1511028), (144, 1427082), (153, 1343136), (204, 1007352), (216, 951388), (272, 755514), (288, 713541), (289, 711072), (306, 671568), (408, 503676), (432, 475694), (459, 447712), (544, 377757), (578, 355536), (612, 335784), (816, 251838), (823, 249696), (864, 237847), (867, 237024), (918, 223856), (1156, 177768), (1224, 167892), (1632, 125919), (1646, 124848), (1734, 118512), (1836, 111928), (2312, 88884), (2448, 83946), (2469, 83232), (2601, 79008), (3292, 62424), (3468, 59256), (3672, 55964), (4624, 44442), (4896, 41973), (4938, 41616), (5202, 39504), (6584, 31212), (6936, 29628), (7344, 27982), (7407, 27744), (7803, 26336), (9248, 22221), (9876, 20808), (10404, 19752), (13168, 15606), (13872, 14814), (13991, 14688)]