306770380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{313031}}^1$

素因数の和:313054

約数の個数: 36

約数和(自身を含む): 749398608

約数和(自身を除く): 442628228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 313031, 626062, 1252124, 1565155, 2191217, 3130310, 4382434, 6260620, 8764868, 10956085, 15338519, 21912170, 30677038, 43824340, 61354076, 76692595, 153385190, 306770380]

約数ペア:

[(1, 306770380), (2, 153385190), (4, 76692595), (5, 61354076), (7, 43824340), (10, 30677038), (14, 21912170), (20, 15338519), (28, 10956085), (35, 8764868), (49, 6260620), (70, 4382434), (98, 3130310), (140, 2191217), (196, 1565155), (245, 1252124), (490, 626062), (980, 313031)]