3945260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 9192960

約数和(自身を除く): 5247700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 227, 316, 395, 454, 790, 869, 908, 1135, 1580, 1738, 2270, 2497, 3476, 4345, 4540, 4994, 8690, 9988, 12485, 17380, 17933, 24970, 35866, 49940, 71732, 89665, 179330, 197263, 358660, 394526, 789052, 986315, 1972630, 3945260]

約数ペア:

[(1, 3945260), (2, 1972630), (4, 986315), (5, 789052), (10, 394526), (11, 358660), (20, 197263), (22, 179330), (44, 89665), (55, 71732), (79, 49940), (110, 35866), (158, 24970), (220, 17933), (227, 17380), (316, 12485), (395, 9988), (454, 8690), (790, 4994), (869, 4540), (908, 4345), (1135, 3476), (1580, 2497), (1738, 2270)]