2028492820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{10091}}^1$

素因数の和:10165

約数の個数: 72

約数和(自身を含む): 4687935840

約数和(自身を除く): 2659443020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 529, 874, 1058, 1748, 2116, 2185, 2645, 4370, 5290, 8740, 10051, 10091, 10580, 20102, 20182, 40204, 40364, 50255, 50455, 100510, 100910, 191729, 201020, 201820, 232093, 383458, 464186, 766916, 928372, 958645, 1160465, 1917290, 2320930, 3834580, 4409767, 4641860, 5338139, 8819534, 10676278, 17639068, 21352556, 22048835, 26690695, 44097670, 53381390, 88195340, 101424641, 106762780, 202849282, 405698564, 507123205, 1014246410, 2028492820]

約数ペア:

[(1, 2028492820), (2, 1014246410), (4, 507123205), (5, 405698564), (10, 202849282), (19, 106762780), (20, 101424641), (23, 88195340), (38, 53381390), (46, 44097670), (76, 26690695), (92, 22048835), (95, 21352556), (115, 17639068), (190, 10676278), (230, 8819534), (380, 5338139), (437, 4641860), (460, 4409767), (529, 3834580), (874, 2320930), (1058, 1917290), (1748, 1160465), (2116, 958645), (2185, 928372), (2645, 766916), (4370, 464186), (5290, 383458), (8740, 232093), (10051, 201820), (10091, 201020), (10580, 191729), (20102, 100910), (20182, 100510), (40204, 50455), (40364, 50255)]