221440912

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 577463040

約数和(自身を除く): 356022128

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 77, 88, 97, 109, 112, 119, 136, 154, 176, 187, 194, 218, 238, 272, 308, 374, 388, 436, 476, 616, 679, 748, 763, 776, 872, 952, 1067, 1199, 1232, 1309, 1358, 1496, 1526, 1552, 1649, 1744, 1853, 1904, 2134, 2398, 2618, 2716, 2992, 3052, 3298, 3706, 4268, 4796, 5236, 5432, 6104, 6596, 7412, 7469, 8393, 8536, 9592, 10472, 10573, 10864, 11543, 12208, 12971, 13192, 14824, 14938, 16786, 17072, 18139, 19184, 20383, 20944, 21146, 23086, 25942, 26384, 29648, 29876, 33572, 36278, 40766, 42292, 46172, 51884, 59752, 67144, 72556, 74011, 81532, 84584, 92344, 103768, 116303, 119504, 126973, 134288, 142681, 145112, 148022, 163064, 169168, 179741, 184688, 207536, 232606, 253946, 285362, 290224, 296044, 326128, 359482, 465212, 507892, 570724, 592088, 718964, 814121, 930424, 1015784, 1141448, 1184176, 1258187, 1437928, 1628242, 1860848, 1977151, 2031568, 2282896, 2516374, 2875856, 3256484, 3954302, 5032748, 6512968, 7908604, 10065496, 13025936, 13840057, 15817208, 20130992, 27680114, 31634416, 55360228, 110720456, 221440912]

約数ペア:

[(1, 221440912), (2, 110720456), (4, 55360228), (7, 31634416), (8, 27680114), (11, 20130992), (14, 15817208), (16, 13840057), (17, 13025936), (22, 10065496), (28, 7908604), (34, 6512968), (44, 5032748), (56, 3954302), (68, 3256484), (77, 2875856), (88, 2516374), (97, 2282896), (109, 2031568), (112, 1977151), (119, 1860848), (136, 1628242), (154, 1437928), (176, 1258187), (187, 1184176), (194, 1141448), (218, 1015784), (238, 930424), (272, 814121), (308, 718964), (374, 592088), (388, 570724), (436, 507892), (476, 465212), (616, 359482), (679, 326128), (748, 296044), (763, 290224), (776, 285362), (872, 253946), (952, 232606), (1067, 207536), (1199, 184688), (1232, 179741), (1309, 169168), (1358, 163064), (1496, 148022), (1526, 145112), (1552, 142681), (1649, 134288), (1744, 126973), (1853, 119504), (1904, 116303), (2134, 103768), (2398, 92344), (2618, 84584), (2716, 81532), (2992, 74011), (3052, 72556), (3298, 67144), (3706, 59752), (4268, 51884), (4796, 46172), (5236, 42292), (5432, 40766), (6104, 36278), (6596, 33572), (7412, 29876), (7469, 29648), (8393, 26384), (8536, 25942), (9592, 23086), (10472, 21146), (10573, 20944), (10864, 20383), (11543, 19184), (12208, 18139), (12971, 17072), (13192, 16786), (14824, 14938)]