348523240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{670237}}^1$

素因数の和:670261

約数の個数: 32

約数和(自身を含む): 844499880

約数和(自身を除く): 495976640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 670237, 1340474, 2680948, 3351185, 5361896, 6702370, 8713081, 13404740, 17426162, 26809480, 34852324, 43565405, 69704648, 87130810, 174261620, 348523240]

約数ペア:

[(1, 348523240), (2, 174261620), (4, 87130810), (5, 69704648), (8, 43565405), (10, 34852324), (13, 26809480), (20, 17426162), (26, 13404740), (40, 8713081), (52, 6702370), (65, 5361896), (104, 3351185), (130, 2680948), (260, 1340474), (520, 670237)]