197908060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{201947}}^1$

素因数の和:201970

約数の個数: 36

約数和(自身を含む): 483463512

約数和(自身を除く): 285555452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 201947, 403894, 807788, 1009735, 1413629, 2019470, 2827258, 4038940, 5654516, 7068145, 9895403, 14136290, 19790806, 28272580, 39581612, 49477015, 98954030, 197908060]

約数ペア:

[(1, 197908060), (2, 98954030), (4, 49477015), (5, 39581612), (7, 28272580), (10, 19790806), (14, 14136290), (20, 9895403), (28, 7068145), (35, 5654516), (49, 4038940), (70, 2827258), (98, 2019470), (140, 1413629), (196, 1009735), (245, 807788), (490, 403894), (980, 201947)]