189761720

素因数分解:

$2^3\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{3911}}^1$

素因数の和:5135

約数の個数: 32

約数和(自身を含む): 427425120

約数和(自身を除く): 237663400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1213, 2426, 3911, 4852, 6065, 7822, 9704, 12130, 15644, 19555, 24260, 31288, 39110, 48520, 78220, 156440, 4744043, 9488086, 18976172, 23720215, 37952344, 47440430, 94880860, 189761720]

約数ペア:

[(1, 189761720), (2, 94880860), (4, 47440430), (5, 37952344), (8, 23720215), (10, 18976172), (20, 9488086), (40, 4744043), (1213, 156440), (2426, 78220), (3911, 48520), (4852, 39110), (6065, 31288), (7822, 24260), (9704, 19555), (12130, 15644)]