209223280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{373613}}^1$

素因数の和:373633

約数の個数: 40

約数和(自身を含む): 555937632

約数和(自身を除く): 346714352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 373613, 747226, 1494452, 1868065, 2615291, 2988904, 3736130, 5230582, 5977808, 7472260, 10461164, 13076455, 14944520, 20922328, 26152910, 29889040, 41844656, 52305820, 104611640, 209223280]

約数ペア:

[(1, 209223280), (2, 104611640), (4, 52305820), (5, 41844656), (7, 29889040), (8, 26152910), (10, 20922328), (14, 14944520), (16, 13076455), (20, 10461164), (28, 7472260), (35, 5977808), (40, 5230582), (56, 3736130), (70, 2988904), (80, 2615291), (112, 1868065), (140, 1494452), (280, 747226), (560, 373613)]