28946680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1543}}^1$

素因数の和:1628

約数の個数: 64

約数和(自身を含む): 75594240

約数和(自身を除く): 46647560

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, 1543, 1876, 2345, 2680, 3086, 3752, 4690, 6172, 7715, 9380, 10801, 12344, 15430, 18760, 21602, 30860, 43204, 54005, 61720, 86408, 103381, 108010, 206762, 216020, 413524, 432040, 516905, 723667, 827048, 1033810, 1447334, 2067620, 2894668, 3618335, 4135240, 5789336, 7236670, 14473340, 28946680]

約数ペア:

[(1, 28946680), (2, 14473340), (4, 7236670), (5, 5789336), (7, 4135240), (8, 3618335), (10, 2894668), (14, 2067620), (20, 1447334), (28, 1033810), (35, 827048), (40, 723667), (56, 516905), (67, 432040), (70, 413524), (134, 216020), (140, 206762), (268, 108010), (280, 103381), (335, 86408), (469, 61720), (536, 54005), (670, 43204), (938, 30860), (1340, 21602), (1543, 18760), (1876, 15430), (2345, 12344), (2680, 10801), (3086, 9380), (3752, 7715), (4690, 6172)]