29122220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 62969088

約数和(自身を除く): 33846868

約数列:

[1, 2, 4, 5, 10, 20, 67, 103, 134, 206, 211, 268, 335, 412, 422, 515, 670, 844, 1030, 1055, 1340, 2060, 2110, 4220, 6901, 13802, 14137, 21733, 27604, 28274, 34505, 43466, 56548, 69010, 70685, 86932, 108665, 138020, 141370, 217330, 282740, 434660, 1456111, 2912222, 5824444, 7280555, 14561110, 29122220]

約数ペア:

[(1, 29122220), (2, 14561110), (4, 7280555), (5, 5824444), (10, 2912222), (20, 1456111), (67, 434660), (103, 282740), (134, 217330), (206, 141370), (211, 138020), (268, 108665), (335, 86932), (412, 70685), (422, 69010), (515, 56548), (670, 43466), (844, 34505), (1030, 28274), (1055, 27604), (1340, 21733), (2060, 14137), (2110, 13802), (4220, 6901)]