170897720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4391}}^1$

素因数の和:4548

約数の個数: 64

約数和(自身を含む): 442713600

約数和(自身を除く): 271815880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4391, 4865, 5560, 7784, 8782, 9730, 17564, 19460, 21955, 30737, 35128, 38920, 43910, 61474, 87820, 122948, 153685, 175640, 245896, 307370, 610349, 614740, 1220698, 1229480, 2441396, 3051745, 4272443, 4882792, 6103490, 8544886, 12206980, 17089772, 21362215, 24413960, 34179544, 42724430, 85448860, 170897720]

約数ペア:

[(1, 170897720), (2, 85448860), (4, 42724430), (5, 34179544), (7, 24413960), (8, 21362215), (10, 17089772), (14, 12206980), (20, 8544886), (28, 6103490), (35, 4882792), (40, 4272443), (56, 3051745), (70, 2441396), (139, 1229480), (140, 1220698), (278, 614740), (280, 610349), (556, 307370), (695, 245896), (973, 175640), (1112, 153685), (1390, 122948), (1946, 87820), (2780, 61474), (3892, 43910), (4391, 38920), (4865, 35128), (5560, 30737), (7784, 21955), (8782, 19460), (9730, 17564)]