420643328

素因数分解:

$2^9\times 7^1\times {\mathrm{241}}^1\times {\mathrm{487}}^1$

素因数の和:753

約数の個数: 80

約数和(自身を含む): 966497664

約数和(自身を除く): 545854336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 241, 256, 448, 482, 487, 512, 896, 964, 974, 1687, 1792, 1928, 1948, 3374, 3409, 3584, 3856, 3896, 6748, 6818, 7712, 7792, 13496, 13636, 15424, 15584, 26992, 27272, 30848, 31168, 53984, 54544, 61696, 62336, 107968, 109088, 117367, 123392, 124672, 215936, 218176, 234734, 249344, 431872, 436352, 469468, 821569, 863744, 872704, 938936, 1643138, 1745408, 1877872, 3286276, 3755744, 6572552, 7511488, 13145104, 15022976, 26290208, 30045952, 52580416, 60091904, 105160832, 210321664, 420643328]

約数ペア:

[(1, 420643328), (2, 210321664), (4, 105160832), (7, 60091904), (8, 52580416), (14, 30045952), (16, 26290208), (28, 15022976), (32, 13145104), (56, 7511488), (64, 6572552), (112, 3755744), (128, 3286276), (224, 1877872), (241, 1745408), (256, 1643138), (448, 938936), (482, 872704), (487, 863744), (512, 821569), (896, 469468), (964, 436352), (974, 431872), (1687, 249344), (1792, 234734), (1928, 218176), (1948, 215936), (3374, 124672), (3409, 123392), (3584, 117367), (3856, 109088), (3896, 107968), (6748, 62336), (6818, 61696), (7712, 54544), (7792, 53984), (13496, 31168), (13636, 30848), (15424, 27272), (15584, 26992)]