3994480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{1019}}^1$

素因数の和:1046

約数の個数: 60

約数和(自身を含む): 10814040

約数和(自身を除く): 6819560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1019, 1960, 2038, 3920, 4076, 5095, 7133, 8152, 10190, 14266, 16304, 20380, 28532, 35665, 40760, 49931, 57064, 71330, 81520, 99862, 114128, 142660, 199724, 249655, 285320, 399448, 499310, 570640, 798896, 998620, 1997240, 3994480]

約数ペア:

[(1, 3994480), (2, 1997240), (4, 998620), (5, 798896), (7, 570640), (8, 499310), (10, 399448), (14, 285320), (16, 249655), (20, 199724), (28, 142660), (35, 114128), (40, 99862), (49, 81520), (56, 71330), (70, 57064), (80, 49931), (98, 40760), (112, 35665), (140, 28532), (196, 20380), (245, 16304), (280, 14266), (392, 10190), (490, 8152), (560, 7133), (784, 5095), (980, 4076), (1019, 3920), (1960, 2038)]