172278740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1\times {\mathrm{617}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 378749952

約数和(自身を除く): 206471212

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 607, 617, 1214, 1234, 2428, 2468, 3035, 3085, 6070, 6170, 12140, 12340, 13961, 14191, 27922, 28382, 55844, 56764, 69805, 70955, 139610, 141910, 279220, 283820, 374519, 749038, 1498076, 1872595, 3745190, 7490380, 8613937, 17227874, 34455748, 43069685, 86139370, 172278740]

約数ペア:

[(1, 172278740), (2, 86139370), (4, 43069685), (5, 34455748), (10, 17227874), (20, 8613937), (23, 7490380), (46, 3745190), (92, 1872595), (115, 1498076), (230, 749038), (460, 374519), (607, 283820), (617, 279220), (1214, 141910), (1234, 139610), (2428, 70955), (2468, 69805), (3035, 56764), (3085, 55844), (6070, 28382), (6170, 27922), (12140, 14191), (12340, 13961)]