208905912

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{467}}^1$

素因数の和:610

約数の個数: 128

約数和(自身を含む): 617760000

約数和(自身を除く): 408854088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 109, 114, 152, 171, 216, 218, 228, 327, 342, 436, 456, 467, 513, 654, 684, 872, 934, 981, 1026, 1308, 1368, 1401, 1868, 1962, 2052, 2071, 2616, 2802, 2943, 3736, 3924, 4104, 4142, 4203, 5604, 5886, 6213, 7848, 8284, 8406, 8873, 11208, 11772, 12426, 12609, 16568, 16812, 17746, 18639, 23544, 24852, 25218, 26619, 33624, 35492, 37278, 49704, 50436, 50903, 53238, 55917, 70984, 74556, 79857, 100872, 101806, 106476, 111834, 149112, 152709, 159714, 203612, 212952, 223668, 239571, 305418, 319428, 407224, 447336, 458127, 479142, 610836, 638856, 916254, 958284, 967157, 1221672, 1374381, 1832508, 1916568, 1934314, 2748762, 2901471, 3665016, 3868628, 5497524, 5802942, 7737256, 8704413, 10995048, 11605884, 17408826, 23211768, 26113239, 34817652, 52226478, 69635304, 104452956, 208905912]

約数ペア:

[(1, 208905912), (2, 104452956), (3, 69635304), (4, 52226478), (6, 34817652), (8, 26113239), (9, 23211768), (12, 17408826), (18, 11605884), (19, 10995048), (24, 8704413), (27, 7737256), (36, 5802942), (38, 5497524), (54, 3868628), (57, 3665016), (72, 2901471), (76, 2748762), (108, 1934314), (109, 1916568), (114, 1832508), (152, 1374381), (171, 1221672), (216, 967157), (218, 958284), (228, 916254), (327, 638856), (342, 610836), (436, 479142), (456, 458127), (467, 447336), (513, 407224), (654, 319428), (684, 305418), (872, 239571), (934, 223668), (981, 212952), (1026, 203612), (1308, 159714), (1368, 152709), (1401, 149112), (1868, 111834), (1962, 106476), (2052, 101806), (2071, 100872), (2616, 79857), (2802, 74556), (2943, 70984), (3736, 55917), (3924, 53238), (4104, 50903), (4142, 50436), (4203, 49704), (5604, 37278), (5886, 35492), (6213, 33624), (7848, 26619), (8284, 25218), (8406, 24852), (8873, 23544), (11208, 18639), (11772, 17746), (12426, 16812), (12609, 16568)]