5242990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 9836640

約数和(自身を除く): 4593650

約数列:

[1, 2, 5, 10, 43, 86, 89, 137, 178, 215, 274, 430, 445, 685, 890, 1370, 3827, 5891, 7654, 11782, 12193, 19135, 24386, 29455, 38270, 58910, 60965, 121930, 524299, 1048598, 2621495, 5242990]

約数ペア:

[(1, 5242990), (2, 2621495), (5, 1048598), (10, 524299), (43, 121930), (86, 60965), (89, 58910), (137, 38270), (178, 29455), (215, 24386), (274, 19135), (430, 12193), (445, 11782), (685, 7654), (890, 5891), (1370, 3827)]