121321480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{433291}}^1$

素因数の和:433309

約数の個数: 32

約数和(自身を含む): 311970240

約数和(自身を除く): 190648760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 433291, 866582, 1733164, 2166455, 3033037, 3466328, 4332910, 6066074, 8665820, 12132148, 15165185, 17331640, 24264296, 30330370, 60660740, 121321480]

約数ペア:

[(1, 121321480), (2, 60660740), (4, 30330370), (5, 24264296), (7, 17331640), (8, 15165185), (10, 12132148), (14, 8665820), (20, 6066074), (28, 4332910), (35, 3466328), (40, 3033037), (56, 2166455), (70, 1733164), (140, 866582), (280, 433291)]