123890480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{221233}}^1$

素因数の和:221253

約数の個数: 40

約数和(自身を含む): 329196192

約数和(自身を除く): 205305712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 221233, 442466, 884932, 1106165, 1548631, 1769864, 2212330, 3097262, 3539728, 4424660, 6194524, 7743155, 8849320, 12389048, 15486310, 17698640, 24778096, 30972620, 61945240, 123890480]

約数ペア:

[(1, 123890480), (2, 61945240), (4, 30972620), (5, 24778096), (7, 17698640), (8, 15486310), (10, 12389048), (14, 8849320), (16, 7743155), (20, 6194524), (28, 4424660), (35, 3539728), (40, 3097262), (56, 2212330), (70, 1769864), (80, 1548631), (112, 1106165), (140, 884932), (280, 442466), (560, 221233)]