215920880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{385573}}^1$

素因数の和:385593

約数の個数: 40

約数和(自身を含む): 573734112

約数和(自身を除く): 357813232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 385573, 771146, 1542292, 1927865, 2699011, 3084584, 3855730, 5398022, 6169168, 7711460, 10796044, 13495055, 15422920, 21592088, 26990110, 30845840, 43184176, 53980220, 107960440, 215920880]

約数ペア:

[(1, 215920880), (2, 107960440), (4, 53980220), (5, 43184176), (7, 30845840), (8, 26990110), (10, 21592088), (14, 15422920), (16, 13495055), (20, 10796044), (28, 7711460), (35, 6169168), (40, 5398022), (56, 3855730), (70, 3084584), (80, 2699011), (112, 1927865), (140, 1542292), (280, 771146), (560, 385573)]