68437820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4643}}^1$

素因数の和:4730

約数の個数: 48

約数和(自身を含む): 159159168

約数和(自身を除く): 90721348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1474, 2948, 3685, 4643, 7370, 9286, 14740, 18572, 23215, 46430, 51073, 92860, 102146, 204292, 255365, 311081, 510730, 622162, 1021460, 1244324, 1555405, 3110810, 3421891, 6221620, 6843782, 13687564, 17109455, 34218910, 68437820]

約数ペア:

[(1, 68437820), (2, 34218910), (4, 17109455), (5, 13687564), (10, 6843782), (11, 6221620), (20, 3421891), (22, 3110810), (44, 1555405), (55, 1244324), (67, 1021460), (110, 622162), (134, 510730), (220, 311081), (268, 255365), (335, 204292), (670, 102146), (737, 92860), (1340, 51073), (1474, 46430), (2948, 23215), (3685, 18572), (4643, 14740), (7370, 9286)]