664380010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{19489}}^1$

素因数の和:19990

約数の個数: 32

約数和(自身を含む): 1369601280

約数和(自身を除く): 705221270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 487, 974, 2435, 3409, 4870, 6818, 17045, 19489, 34090, 38978, 97445, 136423, 194890, 272846, 682115, 1364230, 9491143, 18982286, 47455715, 66438001, 94911430, 132876002, 332190005, 664380010]

約数ペア:

[(1, 664380010), (2, 332190005), (5, 132876002), (7, 94911430), (10, 66438001), (14, 47455715), (35, 18982286), (70, 9491143), (487, 1364230), (974, 682115), (2435, 272846), (3409, 194890), (4870, 136423), (6818, 97445), (17045, 38978), (19489, 34090)]