39689020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{40499}}^1$

素因数の和:40522

約数の個数: 36

約数和(自身を含む): 96957000

約数和(自身を除く): 57267980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 40499, 80998, 161996, 202495, 283493, 404990, 566986, 809980, 1133972, 1417465, 1984451, 2834930, 3968902, 5669860, 7937804, 9922255, 19844510, 39689020]

約数ペア:

[(1, 39689020), (2, 19844510), (4, 9922255), (5, 7937804), (7, 5669860), (10, 3968902), (14, 2834930), (20, 1984451), (28, 1417465), (35, 1133972), (49, 809980), (70, 566986), (98, 404990), (140, 283493), (196, 202495), (245, 161996), (490, 80998), (980, 40499)]