2889154520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{239963}}^1$

素因数の和:240024

約数の個数: 64

約数和(自身を含む): 7602059520

約数和(自身を除く): 4712905000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 239963, 479926, 959852, 1199815, 1679741, 1919704, 2399630, 3359482, 4799260, 6718964, 8398705, 9598520, 10318409, 13437928, 16797410, 20636818, 33594820, 41273636, 51592045, 67189640, 72228863, 82547272, 103184090, 144457726, 206368180, 288915452, 361144315, 412736360, 577830904, 722288630, 1444577260, 2889154520]

約数ペア:

[(1, 2889154520), (2, 1444577260), (4, 722288630), (5, 577830904), (7, 412736360), (8, 361144315), (10, 288915452), (14, 206368180), (20, 144457726), (28, 103184090), (35, 82547272), (40, 72228863), (43, 67189640), (56, 51592045), (70, 41273636), (86, 33594820), (140, 20636818), (172, 16797410), (215, 13437928), (280, 10318409), (301, 9598520), (344, 8398705), (430, 6718964), (602, 4799260), (860, 3359482), (1204, 2399630), (1505, 1919704), (1720, 1679741), (2408, 1199815), (3010, 959852), (6020, 479926), (12040, 239963)]