281768340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{670877}}^1$

素因数の和:670896

約数の個数: 48

約数和(自身を含む): 901660032

約数和(自身を除く): 619891692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 670877, 1341754, 2012631, 2683508, 3354385, 4025262, 4696139, 6708770, 8050524, 9392278, 10063155, 13417540, 14088417, 18784556, 20126310, 23480695, 28176834, 40252620, 46961390, 56353668, 70442085, 93922780, 140884170, 281768340]

約数ペア:

[(1, 281768340), (2, 140884170), (3, 93922780), (4, 70442085), (5, 56353668), (6, 46961390), (7, 40252620), (10, 28176834), (12, 23480695), (14, 20126310), (15, 18784556), (20, 14088417), (21, 13417540), (28, 10063155), (30, 9392278), (35, 8050524), (42, 6708770), (60, 4696139), (70, 4025262), (84, 3354385), (105, 2683508), (140, 2012631), (210, 1341754), (420, 670877)]