2049449920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2237}}^1$

素因数の和:2670

約数の個数: 112

約数和(自身を含む): 5593567680

約数和(自身を除く): 3544117760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 409, 448, 560, 818, 1120, 1636, 2045, 2237, 2240, 2863, 3272, 4090, 4474, 5726, 6544, 8180, 8948, 11185, 11452, 13088, 14315, 15659, 16360, 17896, 22370, 22904, 26176, 28630, 31318, 32720, 35792, 44740, 45808, 57260, 62636, 65440, 71584, 78295, 89480, 91616, 114520, 125272, 130880, 143168, 156590, 178960, 183232, 229040, 250544, 313180, 357920, 458080, 501088, 626360, 715840, 914933, 916160, 1002176, 1252720, 1829866, 2505440, 3659732, 4574665, 5010880, 6404531, 7319464, 9149330, 12809062, 14638928, 18298660, 25618124, 29277856, 32022655, 36597320, 51236248, 58555712, 64045310, 73194640, 102472496, 128090620, 146389280, 204944992, 256181240, 292778560, 409889984, 512362480, 1024724960, 2049449920]

約数ペア:

[(1, 2049449920), (2, 1024724960), (4, 512362480), (5, 409889984), (7, 292778560), (8, 256181240), (10, 204944992), (14, 146389280), (16, 128090620), (20, 102472496), (28, 73194640), (32, 64045310), (35, 58555712), (40, 51236248), (56, 36597320), (64, 32022655), (70, 29277856), (80, 25618124), (112, 18298660), (140, 14638928), (160, 12809062), (224, 9149330), (280, 7319464), (320, 6404531), (409, 5010880), (448, 4574665), (560, 3659732), (818, 2505440), (1120, 1829866), (1636, 1252720), (2045, 1002176), (2237, 916160), (2240, 914933), (2863, 715840), (3272, 626360), (4090, 501088), (4474, 458080), (5726, 357920), (6544, 313180), (8180, 250544), (8948, 229040), (11185, 183232), (11452, 178960), (13088, 156590), (14315, 143168), (15659, 130880), (16360, 125272), (17896, 114520), (22370, 91616), (22904, 89480), (26176, 78295), (28630, 71584), (31318, 65440), (32720, 62636), (35792, 57260), (44740, 45808)]