210040220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6361}}^1$

素因数の和:6510

約数の個数: 48

約数和(自身を含む): 478829568

約数和(自身を除く): 268789348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 6361, 6604, 8255, 12722, 16510, 25444, 31805, 33020, 63610, 82693, 127220, 165386, 330772, 413465, 807847, 826930, 1615694, 1653860, 3231388, 4039235, 8078470, 10502011, 16156940, 21004022, 42008044, 52510055, 105020110, 210040220]

約数ペア:

[(1, 210040220), (2, 105020110), (4, 52510055), (5, 42008044), (10, 21004022), (13, 16156940), (20, 10502011), (26, 8078470), (52, 4039235), (65, 3231388), (127, 1653860), (130, 1615694), (254, 826930), (260, 807847), (508, 413465), (635, 330772), (1270, 165386), (1651, 127220), (2540, 82693), (3302, 63610), (6361, 33020), (6604, 31805), (8255, 25444), (12722, 16510)]