221147784

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:540

約数の個数: 192

約数和(自身を含む): 720195840

約数和(自身を除く): 499048056

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 44, 47, 52, 66, 72, 78, 88, 94, 99, 104, 117, 132, 141, 143, 156, 188, 198, 234, 264, 282, 286, 312, 376, 396, 423, 429, 457, 468, 517, 564, 572, 611, 792, 846, 858, 914, 936, 1034, 1128, 1144, 1222, 1287, 1371, 1551, 1692, 1716, 1828, 1833, 2068, 2444, 2574, 2742, 3102, 3384, 3432, 3656, 3666, 4113, 4136, 4653, 4888, 5027, 5148, 5484, 5499, 5941, 6204, 6721, 7332, 8226, 9306, 10054, 10296, 10968, 10998, 11882, 12408, 13442, 14664, 15081, 16452, 17823, 18612, 20108, 20163, 21479, 21996, 23764, 26884, 30162, 32904, 35646, 37224, 40216, 40326, 42958, 43992, 45243, 47528, 53469, 53768, 60324, 60489, 64437, 65351, 71292, 80652, 85916, 90486, 106938, 120648, 120978, 128874, 130702, 142584, 161304, 171832, 180972, 193311, 196053, 213876, 236269, 241956, 257748, 261404, 279227, 361944, 386622, 392106, 427752, 472538, 483912, 515496, 522808, 558454, 588159, 708807, 773244, 784212, 837681, 945076, 1116908, 1176318, 1417614, 1546488, 1568424, 1675362, 1890152, 2126421, 2233816, 2352636, 2513043, 2835228, 3071497, 3350724, 4252842, 4705272, 5026086, 5670456, 6142994, 6701448, 8505684, 9214491, 10052172, 12285988, 17011368, 18428982, 20104344, 24571976, 27643473, 36857964, 55286946, 73715928, 110573892, 221147784]

約数ペア:

[(1, 221147784), (2, 110573892), (3, 73715928), (4, 55286946), (6, 36857964), (8, 27643473), (9, 24571976), (11, 20104344), (12, 18428982), (13, 17011368), (18, 12285988), (22, 10052172), (24, 9214491), (26, 8505684), (33, 6701448), (36, 6142994), (39, 5670456), (44, 5026086), (47, 4705272), (52, 4252842), (66, 3350724), (72, 3071497), (78, 2835228), (88, 2513043), (94, 2352636), (99, 2233816), (104, 2126421), (117, 1890152), (132, 1675362), (141, 1568424), (143, 1546488), (156, 1417614), (188, 1176318), (198, 1116908), (234, 945076), (264, 837681), (282, 784212), (286, 773244), (312, 708807), (376, 588159), (396, 558454), (423, 522808), (429, 515496), (457, 483912), (468, 472538), (517, 427752), (564, 392106), (572, 386622), (611, 361944), (792, 279227), (846, 261404), (858, 257748), (914, 241956), (936, 236269), (1034, 213876), (1128, 196053), (1144, 193311), (1222, 180972), (1287, 171832), (1371, 161304), (1551, 142584), (1692, 130702), (1716, 128874), (1828, 120978), (1833, 120648), (2068, 106938), (2444, 90486), (2574, 85916), (2742, 80652), (3102, 71292), (3384, 65351), (3432, 64437), (3656, 60489), (3666, 60324), (4113, 53768), (4136, 53469), (4653, 47528), (4888, 45243), (5027, 43992), (5148, 42958), (5484, 40326), (5499, 40216), (5941, 37224), (6204, 35646), (6721, 32904), (7332, 30162), (8226, 26884), (9306, 23764), (10054, 21996), (10296, 21479), (10968, 20163), (10998, 20108), (11882, 18612), (12408, 17823), (13442, 16452), (14664, 15081)]