420860748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:964

約数の個数: 144

約数和(自身を含む): 1261274112

約数和(自身を除く): 840413364

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 47, 66, 77, 84, 94, 121, 132, 141, 154, 188, 231, 242, 282, 308, 329, 363, 462, 484, 517, 564, 658, 726, 847, 881, 924, 987, 1034, 1316, 1452, 1551, 1694, 1762, 1974, 2068, 2541, 2643, 3102, 3388, 3524, 3619, 3948, 5082, 5286, 5687, 6167, 6204, 7238, 9691, 10164, 10572, 10857, 11374, 12334, 14476, 17061, 18501, 19382, 21714, 22748, 24668, 29073, 34122, 37002, 38764, 39809, 41407, 43428, 58146, 67837, 68244, 74004, 79618, 82814, 106601, 116292, 119427, 124221, 135674, 159236, 165628, 203511, 213202, 238854, 248442, 271348, 289849, 319803, 407022, 426404, 455477, 477708, 496884, 579698, 639606, 746207, 814044, 869547, 910954, 1159396, 1279212, 1366431, 1492414, 1739094, 1821908, 2238621, 2732862, 2984828, 3188339, 3478188, 4477242, 5010247, 5465724, 6376678, 8954484, 9565017, 10020494, 12753356, 15030741, 19130034, 20040988, 30061482, 35071729, 38260068, 60122964, 70143458, 105215187, 140286916, 210430374, 420860748]

約数ペア:

[(1, 420860748), (2, 210430374), (3, 140286916), (4, 105215187), (6, 70143458), (7, 60122964), (11, 38260068), (12, 35071729), (14, 30061482), (21, 20040988), (22, 19130034), (28, 15030741), (33, 12753356), (42, 10020494), (44, 9565017), (47, 8954484), (66, 6376678), (77, 5465724), (84, 5010247), (94, 4477242), (121, 3478188), (132, 3188339), (141, 2984828), (154, 2732862), (188, 2238621), (231, 1821908), (242, 1739094), (282, 1492414), (308, 1366431), (329, 1279212), (363, 1159396), (462, 910954), (484, 869547), (517, 814044), (564, 746207), (658, 639606), (726, 579698), (847, 496884), (881, 477708), (924, 455477), (987, 426404), (1034, 407022), (1316, 319803), (1452, 289849), (1551, 271348), (1694, 248442), (1762, 238854), (1974, 213202), (2068, 203511), (2541, 165628), (2643, 159236), (3102, 135674), (3388, 124221), (3524, 119427), (3619, 116292), (3948, 106601), (5082, 82814), (5286, 79618), (5687, 74004), (6167, 68244), (6204, 67837), (7238, 58146), (9691, 43428), (10164, 41407), (10572, 39809), (10857, 38764), (11374, 37002), (12334, 34122), (14476, 29073), (17061, 24668), (18501, 22748), (19382, 21714)]