2574740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 6314112

約数和(自身を除く): 3739372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 347, 371, 530, 694, 742, 1060, 1388, 1484, 1735, 1855, 2429, 3470, 3710, 4858, 6940, 7420, 9716, 12145, 18391, 24290, 36782, 48580, 73564, 91955, 128737, 183910, 257474, 367820, 514948, 643685, 1287370, 2574740]

約数ペア:

[(1, 2574740), (2, 1287370), (4, 643685), (5, 514948), (7, 367820), (10, 257474), (14, 183910), (20, 128737), (28, 91955), (35, 73564), (53, 48580), (70, 36782), (106, 24290), (140, 18391), (212, 12145), (265, 9716), (347, 7420), (371, 6940), (530, 4858), (694, 3710), (742, 3470), (1060, 2429), (1388, 1855), (1484, 1735)]