127270540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1783}}^1$

素因数の和:1918

約数の個数: 48

約数和(自身を含む): 276933888

約数和(自身を除く): 149663348

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 166, 172, 215, 332, 415, 430, 830, 860, 1660, 1783, 3566, 3569, 7132, 7138, 8915, 14276, 17830, 17845, 35660, 35690, 71380, 76669, 147989, 153338, 295978, 306676, 383345, 591956, 739945, 766690, 1479890, 1533380, 2959780, 6363527, 12727054, 25454108, 31817635, 63635270, 127270540]

約数ペア:

[(1, 127270540), (2, 63635270), (4, 31817635), (5, 25454108), (10, 12727054), (20, 6363527), (43, 2959780), (83, 1533380), (86, 1479890), (166, 766690), (172, 739945), (215, 591956), (332, 383345), (415, 306676), (430, 295978), (830, 153338), (860, 147989), (1660, 76669), (1783, 71380), (3566, 35690), (3569, 35660), (7132, 17845), (7138, 17830), (8915, 14276)]