42465940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^2$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 101056032

約数和(自身を除く): 58590092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 67, 86, 110, 134, 172, 215, 220, 268, 335, 430, 473, 670, 737, 860, 946, 1340, 1474, 1892, 2365, 2881, 2948, 3685, 4489, 4730, 5762, 7370, 8978, 9460, 11524, 14405, 14740, 17956, 22445, 28810, 31691, 44890, 49379, 57620, 63382, 89780, 98758, 126764, 158455, 193027, 197516, 246895, 316910, 386054, 493790, 633820, 772108, 965135, 987580, 1930270, 2123297, 3860540, 4246594, 8493188, 10616485, 21232970, 42465940]

約数ペア:

[(1, 42465940), (2, 21232970), (4, 10616485), (5, 8493188), (10, 4246594), (11, 3860540), (20, 2123297), (22, 1930270), (43, 987580), (44, 965135), (55, 772108), (67, 633820), (86, 493790), (110, 386054), (134, 316910), (172, 246895), (215, 197516), (220, 193027), (268, 158455), (335, 126764), (430, 98758), (473, 89780), (670, 63382), (737, 57620), (860, 49379), (946, 44890), (1340, 31691), (1474, 28810), (1892, 22445), (2365, 17956), (2881, 14740), (2948, 14405), (3685, 11524), (4489, 9460), (4730, 8978), (5762, 7370)]