200789988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 549255168

約数和(自身を除く): 348465180

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 131, 142, 213, 257, 262, 284, 393, 426, 497, 514, 524, 771, 786, 852, 917, 994, 1028, 1491, 1542, 1572, 1799, 1834, 1988, 2751, 2982, 3084, 3598, 3668, 5397, 5502, 5964, 7196, 9301, 10794, 11004, 18247, 18602, 21588, 27903, 33667, 36494, 37204, 54741, 55806, 65107, 67334, 72988, 101001, 109482, 111612, 127729, 130214, 134668, 195321, 202002, 218964, 235669, 255458, 260428, 383187, 390642, 404004, 471338, 510916, 707007, 766374, 781284, 942676, 1414014, 1532748, 2390357, 2828028, 4780714, 7171071, 9561428, 14342142, 16732499, 28684284, 33464998, 50197497, 66929996, 100394994, 200789988]

約数ペア:

[(1, 200789988), (2, 100394994), (3, 66929996), (4, 50197497), (6, 33464998), (7, 28684284), (12, 16732499), (14, 14342142), (21, 9561428), (28, 7171071), (42, 4780714), (71, 2828028), (84, 2390357), (131, 1532748), (142, 1414014), (213, 942676), (257, 781284), (262, 766374), (284, 707007), (393, 510916), (426, 471338), (497, 404004), (514, 390642), (524, 383187), (771, 260428), (786, 255458), (852, 235669), (917, 218964), (994, 202002), (1028, 195321), (1491, 134668), (1542, 130214), (1572, 127729), (1799, 111612), (1834, 109482), (1988, 101001), (2751, 72988), (2982, 67334), (3084, 65107), (3598, 55806), (3668, 54741), (5397, 37204), (5502, 36494), (5964, 33667), (7196, 27903), (9301, 21588), (10794, 18602), (11004, 18247)]