348520120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{670231}}^1$

素因数の和:670255

約数の個数: 32

約数和(自身を含む): 844492320

約数和(自身を除く): 495972200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 670231, 1340462, 2680924, 3351155, 5361848, 6702310, 8713003, 13404620, 17426006, 26809240, 34852012, 43565015, 69704024, 87130030, 174260060, 348520120]

約数ペア:

[(1, 348520120), (2, 174260060), (4, 87130030), (5, 69704024), (8, 43565015), (10, 34852012), (13, 26809240), (20, 17426006), (26, 13404620), (40, 8713003), (52, 6702310), (65, 5361848), (104, 3351155), (130, 2680924), (260, 1340462), (520, 670231)]