85198120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{304279}}^1$

素因数の和:304297

約数の個数: 32

約数和(自身を含む): 219081600

約数和(自身を除く): 133883480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 304279, 608558, 1217116, 1521395, 2129953, 2434232, 3042790, 4259906, 6085580, 8519812, 10649765, 12171160, 17039624, 21299530, 42599060, 85198120]

約数ペア:

[(1, 85198120), (2, 42599060), (4, 21299530), (5, 17039624), (7, 12171160), (8, 10649765), (10, 8519812), (14, 6085580), (20, 4259906), (28, 3042790), (35, 2434232), (40, 2129953), (56, 1521395), (70, 1217116), (140, 608558), (280, 304279)]