131299910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{267959}}^1$

素因数の和:267980

約数の個数: 24

約数和(自身を含む): 274926960

約数和(自身を除く): 143627050

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 267959, 535918, 1339795, 1875713, 2679590, 3751426, 9378565, 13129991, 18757130, 26259982, 65649955, 131299910]

約数ペア:

[(1, 131299910), (2, 65649955), (5, 26259982), (7, 18757130), (10, 13129991), (14, 9378565), (35, 3751426), (49, 2679590), (70, 1875713), (98, 1339795), (245, 535918), (490, 267959)]