209426370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{13399}}^1$

素因数の和:13930

約数の個数: 32

約数和(自身を含む): 503625600

約数和(自身を除く): 294199230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 521, 1042, 1563, 2605, 3126, 5210, 7815, 13399, 15630, 26798, 40197, 66995, 80394, 133990, 200985, 401970, 6980879, 13961758, 20942637, 34904395, 41885274, 69808790, 104713185, 209426370]

約数ペア:

[(1, 209426370), (2, 104713185), (3, 69808790), (5, 41885274), (6, 34904395), (10, 20942637), (15, 13961758), (30, 6980879), (521, 401970), (1042, 200985), (1563, 133990), (2605, 80394), (3126, 66995), (5210, 40197), (7815, 26798), (13399, 15630)]