30970660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{221219}}^1$

素因数の和:221235

約数の個数: 24

約数和(自身を含む): 74329920

約数和(自身を除く): 43359260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 221219, 442438, 884876, 1106095, 1548533, 2212190, 3097066, 4424380, 6194132, 7742665, 15485330, 30970660]

約数ペア:

[(1, 30970660), (2, 15485330), (4, 7742665), (5, 6194132), (7, 4424380), (10, 3097066), (14, 2212190), (20, 1548533), (28, 1106095), (35, 884876), (70, 442438), (140, 221219)]