239756720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{428137}}^1$

素因数の和:428157

約数の個数: 40

約数和(自身を含む): 637069344

約数和(自身を除く): 397312624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 428137, 856274, 1712548, 2140685, 2996959, 3425096, 4281370, 5993918, 6850192, 8562740, 11987836, 14984795, 17125480, 23975672, 29969590, 34250960, 47951344, 59939180, 119878360, 239756720]

約数ペア:

[(1, 239756720), (2, 119878360), (4, 59939180), (5, 47951344), (7, 34250960), (8, 29969590), (10, 23975672), (14, 17125480), (16, 14984795), (20, 11987836), (28, 8562740), (35, 6850192), (40, 5993918), (56, 4281370), (70, 3425096), (80, 2996959), (112, 2140685), (140, 1712548), (280, 856274), (560, 428137)]