205403240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10949}}^1$

素因数の和:11034

約数の個数: 64

約数和(自身を含む): 536112000

約数和(自身を除く): 330708760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2345, 2680, 3752, 4690, 9380, 10949, 18760, 21898, 43796, 54745, 76643, 87592, 109490, 153286, 218980, 306572, 383215, 437960, 613144, 733583, 766430, 1467166, 1532860, 2934332, 3065720, 3667915, 5135081, 5868664, 7335830, 10270162, 14671660, 20540324, 25675405, 29343320, 41080648, 51350810, 102701620, 205403240]

約数ペア:

[(1, 205403240), (2, 102701620), (4, 51350810), (5, 41080648), (7, 29343320), (8, 25675405), (10, 20540324), (14, 14671660), (20, 10270162), (28, 7335830), (35, 5868664), (40, 5135081), (56, 3667915), (67, 3065720), (70, 2934332), (134, 1532860), (140, 1467166), (268, 766430), (280, 733583), (335, 613144), (469, 437960), (536, 383215), (670, 306572), (938, 218980), (1340, 153286), (1876, 109490), (2345, 87592), (2680, 76643), (3752, 54745), (4690, 43796), (9380, 21898), (10949, 18760)]