318381280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{284269}}^1$

素因数の和:284291

約数の個数: 48

約数和(自身を含む): 859632480

約数和(自身を除く): 541251200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 284269, 568538, 1137076, 1421345, 1989883, 2274152, 2842690, 3979766, 4548304, 5685380, 7959532, 9096608, 9949415, 11370760, 15919064, 19898830, 22741520, 31838128, 39797660, 45483040, 63676256, 79595320, 159190640, 318381280]

約数ペア:

[(1, 318381280), (2, 159190640), (4, 79595320), (5, 63676256), (7, 45483040), (8, 39797660), (10, 31838128), (14, 22741520), (16, 19898830), (20, 15919064), (28, 11370760), (32, 9949415), (35, 9096608), (40, 7959532), (56, 5685380), (70, 4548304), (80, 3979766), (112, 2842690), (140, 2274152), (160, 1989883), (224, 1421345), (280, 1137076), (560, 568538), (1120, 284269)]