29877980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2027}}^1$

素因数の和:2114

約数の個数: 48

約数和(自身を含む): 69503616

約数和(自身を除く): 39625636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1474, 2027, 2948, 3685, 4054, 7370, 8108, 10135, 14740, 20270, 22297, 40540, 44594, 89188, 111485, 135809, 222970, 271618, 445940, 543236, 679045, 1358090, 1493899, 2716180, 2987798, 5975596, 7469495, 14938990, 29877980]

約数ペア:

[(1, 29877980), (2, 14938990), (4, 7469495), (5, 5975596), (10, 2987798), (11, 2716180), (20, 1493899), (22, 1358090), (44, 679045), (55, 543236), (67, 445940), (110, 271618), (134, 222970), (220, 135809), (268, 111485), (335, 89188), (670, 44594), (737, 40540), (1340, 22297), (1474, 20270), (2027, 14740), (2948, 10135), (3685, 8108), (4054, 7370)]