28009860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20297}}^1$

素因数の和:20332

約数の個数: 48

約数和(自身を含む): 81841536

約数和(自身を除く): 53831676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 20297, 40594, 60891, 81188, 101485, 121782, 202970, 243564, 304455, 405940, 466831, 608910, 933662, 1217820, 1400493, 1867324, 2334155, 2800986, 4668310, 5601972, 7002465, 9336620, 14004930, 28009860]

約数ペア:

[(1, 28009860), (2, 14004930), (3, 9336620), (4, 7002465), (5, 5601972), (6, 4668310), (10, 2800986), (12, 2334155), (15, 1867324), (20, 1400493), (23, 1217820), (30, 933662), (46, 608910), (60, 466831), (69, 405940), (92, 304455), (115, 243564), (138, 202970), (230, 121782), (276, 101485), (345, 81188), (460, 60891), (690, 40594), (1380, 20297)]