28493020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{463}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 63842688

約数和(自身を除く): 35349668

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 463, 724, 905, 926, 1810, 1852, 2315, 3077, 3620, 4630, 6154, 7871, 9260, 12308, 15385, 15742, 30770, 31484, 39355, 61540, 78710, 83803, 157420, 167606, 335212, 419015, 838030, 1424651, 1676060, 2849302, 5698604, 7123255, 14246510, 28493020]

約数ペア:

[(1, 28493020), (2, 14246510), (4, 7123255), (5, 5698604), (10, 2849302), (17, 1676060), (20, 1424651), (34, 838030), (68, 419015), (85, 335212), (170, 167606), (181, 157420), (340, 83803), (362, 78710), (463, 61540), (724, 39355), (905, 31484), (926, 30770), (1810, 15742), (1852, 15385), (2315, 12308), (3077, 9260), (3620, 7871), (4630, 6154)]