9459940

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{197}}^1$

素因数の和:234

約数の個数: 60

約数和(自身を含む): 23293116

約数和(自身を除く): 13833176

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 197, 245, 343, 394, 490, 686, 788, 980, 985, 1372, 1379, 1715, 1970, 2401, 2758, 3430, 3940, 4802, 5516, 6860, 6895, 9604, 9653, 12005, 13790, 19306, 24010, 27580, 38612, 48020, 48265, 67571, 96530, 135142, 193060, 270284, 337855, 472997, 675710, 945994, 1351420, 1891988, 2364985, 4729970, 9459940]

約数ペア:

[(1, 9459940), (2, 4729970), (4, 2364985), (5, 1891988), (7, 1351420), (10, 945994), (14, 675710), (20, 472997), (28, 337855), (35, 270284), (49, 193060), (70, 135142), (98, 96530), (140, 67571), (196, 48265), (197, 48020), (245, 38612), (343, 27580), (394, 24010), (490, 19306), (686, 13790), (788, 12005), (980, 9653), (985, 9604), (1372, 6895), (1379, 6860), (1715, 5516), (1970, 4802), (2401, 3940), (2758, 3430)]