209385708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 572006400

約数和(自身を除く): 362620692

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 139, 158, 227, 237, 278, 316, 417, 454, 474, 553, 556, 681, 834, 908, 948, 973, 1106, 1362, 1589, 1659, 1668, 1946, 2212, 2724, 2919, 3178, 3318, 3892, 4767, 5838, 6356, 6636, 9534, 10981, 11676, 17933, 19068, 21962, 31553, 32943, 35866, 43924, 53799, 63106, 65886, 71732, 76867, 94659, 107598, 125531, 126212, 131772, 153734, 189318, 215196, 220871, 230601, 251062, 307468, 376593, 378636, 441742, 461202, 502124, 662613, 753186, 883484, 922404, 1325226, 1506372, 2492687, 2650452, 4985374, 7478061, 9970748, 14956122, 17448809, 29912244, 34897618, 52346427, 69795236, 104692854, 209385708]

約数ペア:

[(1, 209385708), (2, 104692854), (3, 69795236), (4, 52346427), (6, 34897618), (7, 29912244), (12, 17448809), (14, 14956122), (21, 9970748), (28, 7478061), (42, 4985374), (79, 2650452), (84, 2492687), (139, 1506372), (158, 1325226), (227, 922404), (237, 883484), (278, 753186), (316, 662613), (417, 502124), (454, 461202), (474, 441742), (553, 378636), (556, 376593), (681, 307468), (834, 251062), (908, 230601), (948, 220871), (973, 215196), (1106, 189318), (1362, 153734), (1589, 131772), (1659, 126212), (1668, 125531), (1946, 107598), (2212, 94659), (2724, 76867), (2919, 71732), (3178, 65886), (3318, 63106), (3892, 53799), (4767, 43924), (5838, 35866), (6356, 32943), (6636, 31553), (9534, 21962), (10981, 19068), (11676, 17933)]