5490290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 10750320

約数和(自身を除く): 5260030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 269, 314, 538, 785, 1345, 1570, 2041, 2690, 3497, 4082, 6994, 10205, 17485, 20410, 34970, 42233, 84466, 211165, 422330, 549029, 1098058, 2745145, 5490290]

約数ペア:

[(1, 5490290), (2, 2745145), (5, 1098058), (10, 549029), (13, 422330), (26, 211165), (65, 84466), (130, 42233), (157, 34970), (269, 20410), (314, 17485), (538, 10205), (785, 6994), (1345, 4082), (1570, 3497), (2041, 2690)]