273313180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{278891}}^1$

素因数の和:278914

約数の個数: 36

約数和(自身を含む): 667667448

約数和(自身を除く): 394354268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 278891, 557782, 1115564, 1394455, 1952237, 2788910, 3904474, 5577820, 7808948, 9761185, 13665659, 19522370, 27331318, 39044740, 54662636, 68328295, 136656590, 273313180]

約数ペア:

[(1, 273313180), (2, 136656590), (4, 68328295), (5, 54662636), (7, 39044740), (10, 27331318), (14, 19522370), (20, 13665659), (28, 9761185), (35, 7808948), (49, 5577820), (70, 3904474), (98, 2788910), (140, 1952237), (196, 1394455), (245, 1115564), (490, 557782), (980, 278891)]