2009367640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1063}}^1$

素因数の和:1281

約数の個数: 128

約数和(自身を含む): 5325788160

約数和(自身を除く): 3316420520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 157, 172, 215, 280, 301, 314, 344, 430, 602, 628, 785, 860, 1063, 1099, 1204, 1256, 1505, 1570, 1720, 2126, 2198, 2408, 3010, 3140, 4252, 4396, 5315, 5495, 6020, 6280, 6751, 7441, 8504, 8792, 10630, 10990, 12040, 13502, 14882, 21260, 21980, 27004, 29764, 33755, 37205, 42520, 43960, 45709, 47257, 54008, 59528, 67510, 74410, 91418, 94514, 135020, 148820, 166891, 182836, 189028, 228545, 236285, 270040, 297640, 319963, 333782, 365672, 378056, 457090, 472570, 639926, 667564, 834455, 914180, 945140, 1168237, 1279852, 1335128, 1599815, 1668910, 1828360, 1890280, 2336474, 2559704, 3199630, 3337820, 4672948, 5841185, 6399260, 6675640, 7176313, 9345896, 11682370, 12798520, 14352626, 23364740, 28705252, 35881565, 46729480, 50234191, 57410504, 71763130, 100468382, 143526260, 200936764, 251170955, 287052520, 401873528, 502341910, 1004683820, 2009367640]

約数ペア:

[(1, 2009367640), (2, 1004683820), (4, 502341910), (5, 401873528), (7, 287052520), (8, 251170955), (10, 200936764), (14, 143526260), (20, 100468382), (28, 71763130), (35, 57410504), (40, 50234191), (43, 46729480), (56, 35881565), (70, 28705252), (86, 23364740), (140, 14352626), (157, 12798520), (172, 11682370), (215, 9345896), (280, 7176313), (301, 6675640), (314, 6399260), (344, 5841185), (430, 4672948), (602, 3337820), (628, 3199630), (785, 2559704), (860, 2336474), (1063, 1890280), (1099, 1828360), (1204, 1668910), (1256, 1599815), (1505, 1335128), (1570, 1279852), (1720, 1168237), (2126, 945140), (2198, 914180), (2408, 834455), (3010, 667564), (3140, 639926), (4252, 472570), (4396, 457090), (5315, 378056), (5495, 365672), (6020, 333782), (6280, 319963), (6751, 297640), (7441, 270040), (8504, 236285), (8792, 228545), (10630, 189028), (10990, 182836), (12040, 166891), (13502, 148820), (14882, 135020), (21260, 94514), (21980, 91418), (27004, 74410), (29764, 67510), (33755, 59528), (37205, 54008), (42520, 47257), (43960, 45709)]