1297790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 2570400

約数和(自身を除く): 1272610

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 149, 298, 335, 670, 745, 871, 1490, 1742, 1937, 3874, 4355, 8710, 9685, 9983, 19370, 19966, 49915, 99830, 129779, 259558, 648895, 1297790]

約数ペア:

[(1, 1297790), (2, 648895), (5, 259558), (10, 129779), (13, 99830), (26, 49915), (65, 19966), (67, 19370), (130, 9983), (134, 9685), (149, 8710), (298, 4355), (335, 3874), (670, 1937), (745, 1742), (871, 1490)]