211679680

素因数分解:

$2^6\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1381}}^1$

素因数の和:1877

約数の個数: 56

約数和(自身を含む): 505480320

約数和(自身を除く): 293800640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 479, 958, 1381, 1916, 2395, 2762, 3832, 4790, 5524, 6905, 7664, 9580, 11048, 13810, 15328, 19160, 22096, 27620, 30656, 38320, 44192, 55240, 76640, 88384, 110480, 153280, 220960, 441920, 661499, 1322998, 2645996, 3307495, 5291992, 6614990, 10583984, 13229980, 21167968, 26459960, 42335936, 52919920, 105839840, 211679680]

約数ペア:

[(1, 211679680), (2, 105839840), (4, 52919920), (5, 42335936), (8, 26459960), (10, 21167968), (16, 13229980), (20, 10583984), (32, 6614990), (40, 5291992), (64, 3307495), (80, 2645996), (160, 1322998), (320, 661499), (479, 441920), (958, 220960), (1381, 153280), (1916, 110480), (2395, 88384), (2762, 76640), (3832, 55240), (4790, 44192), (5524, 38320), (6905, 30656), (7664, 27620), (9580, 22096), (11048, 19160), (13810, 15328)]