201943210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 451440000

約数和(自身を除く): 249496790

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 109, 133, 190, 199, 218, 245, 266, 398, 490, 545, 665, 763, 931, 995, 1090, 1330, 1393, 1526, 1862, 1990, 2071, 2786, 3781, 3815, 4142, 4655, 5341, 6965, 7562, 7630, 9310, 9751, 10355, 10682, 13930, 14497, 18905, 19502, 20710, 21691, 26467, 26705, 28994, 37810, 43382, 48755, 52934, 53410, 72485, 97510, 101479, 108455, 132335, 144970, 151837, 185269, 202958, 216910, 264670, 303674, 370538, 412129, 507395, 759185, 824258, 926345, 1014790, 1062859, 1518370, 1852690, 2060645, 2125718, 2884903, 4121290, 5314295, 5769806, 10628590, 14424515, 20194321, 28849030, 40388642, 100971605, 201943210]

約数ペア:

[(1, 201943210), (2, 100971605), (5, 40388642), (7, 28849030), (10, 20194321), (14, 14424515), (19, 10628590), (35, 5769806), (38, 5314295), (49, 4121290), (70, 2884903), (95, 2125718), (98, 2060645), (109, 1852690), (133, 1518370), (190, 1062859), (199, 1014790), (218, 926345), (245, 824258), (266, 759185), (398, 507395), (490, 412129), (545, 370538), (665, 303674), (763, 264670), (931, 216910), (995, 202958), (1090, 185269), (1330, 151837), (1393, 144970), (1526, 132335), (1862, 108455), (1990, 101479), (2071, 97510), (2786, 72485), (3781, 53410), (3815, 52934), (4142, 48755), (4655, 43382), (5341, 37810), (6965, 28994), (7562, 26705), (7630, 26467), (9310, 21691), (9751, 20710), (10355, 19502), (10682, 18905), (13930, 14497)]