173639860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1151}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 385136640

約数和(自身を除く): 211496780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 397, 794, 1151, 1588, 1985, 2302, 3970, 4604, 5755, 7543, 7940, 11510, 15086, 21869, 23020, 30172, 37715, 43738, 75430, 87476, 109345, 150860, 218690, 437380, 456947, 913894, 1827788, 2284735, 4569470, 8681993, 9138940, 17363986, 34727972, 43409965, 86819930, 173639860]

約数ペア:

[(1, 173639860), (2, 86819930), (4, 43409965), (5, 34727972), (10, 17363986), (19, 9138940), (20, 8681993), (38, 4569470), (76, 2284735), (95, 1827788), (190, 913894), (380, 456947), (397, 437380), (794, 218690), (1151, 150860), (1588, 109345), (1985, 87476), (2302, 75430), (3970, 43738), (4604, 37715), (5755, 30172), (7543, 23020), (7940, 21869), (11510, 15086)]