402755910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{20879}}^1$

素因数の和:21532

約数の個数: 32

約数和(自身を含む): 968163840

約数和(自身を除く): 565407930

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 643, 1286, 1929, 3215, 3858, 6430, 9645, 19290, 20879, 41758, 62637, 104395, 125274, 208790, 313185, 626370, 13425197, 26850394, 40275591, 67125985, 80551182, 134251970, 201377955, 402755910]

約数ペア:

[(1, 402755910), (2, 201377955), (3, 134251970), (5, 80551182), (6, 67125985), (10, 40275591), (15, 26850394), (30, 13425197), (643, 626370), (1286, 313185), (1929, 208790), (3215, 125274), (3858, 104395), (6430, 62637), (9645, 41758), (19290, 20879)]