2028942310

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1\times {\mathrm{2621}}^1$

素因数の和:3216

約数の個数: 32

約数和(自身を含む): 3681288000

約数和(自身を除く): 1652345690

約数列:

[1, 2, 5, 10, 199, 389, 398, 778, 995, 1945, 1990, 2621, 3890, 5242, 13105, 26210, 77411, 154822, 387055, 521579, 774110, 1019569, 1043158, 2039138, 2607895, 5097845, 5215790, 10195690, 202894231, 405788462, 1014471155, 2028942310]

約数ペア:

[(1, 2028942310), (2, 1014471155), (5, 405788462), (10, 202894231), (199, 10195690), (389, 5215790), (398, 5097845), (778, 2607895), (995, 2039138), (1945, 1043158), (1990, 1019569), (2621, 774110), (3890, 521579), (5242, 387055), (13105, 154822), (26210, 77411)]