15906380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{16231}}^1$

素因数の和:16254

約数の個数: 36

約数和(自身を含む): 38859408

約数和(自身を除く): 22953028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 16231, 32462, 64924, 81155, 113617, 162310, 227234, 324620, 454468, 568085, 795319, 1136170, 1590638, 2272340, 3181276, 3976595, 7953190, 15906380]

約数ペア:

[(1, 15906380), (2, 7953190), (4, 3976595), (5, 3181276), (7, 2272340), (10, 1590638), (14, 1136170), (20, 795319), (28, 568085), (35, 454468), (49, 324620), (70, 227234), (98, 162310), (140, 113617), (196, 81155), (245, 64924), (490, 32462), (980, 16231)]