194280940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1387721}}^1$

素因数の和:1387737

約数の個数: 24

約数和(自身を含む): 466274592

約数和(自身を除く): 271993652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1387721, 2775442, 5550884, 6938605, 9714047, 13877210, 19428094, 27754420, 38856188, 48570235, 97140470, 194280940]

約数ペア:

[(1, 194280940), (2, 97140470), (4, 48570235), (5, 38856188), (7, 27754420), (10, 19428094), (14, 13877210), (20, 9714047), (28, 6938605), (35, 5550884), (70, 2775442), (140, 1387721)]