2049275620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{636421}}^1$

素因数の和:636460

約数の個数: 48

約数和(自身を含む): 5132107008

約数和(自身を除く): 3082831388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 636421, 1272842, 2545684, 3182105, 4454947, 6364210, 8909894, 12728420, 14637683, 17819788, 22274735, 29275366, 44549470, 58550732, 73188415, 89098940, 102463781, 146376830, 204927562, 292753660, 409855124, 512318905, 1024637810, 2049275620]

約数ペア:

[(1, 2049275620), (2, 1024637810), (4, 512318905), (5, 409855124), (7, 292753660), (10, 204927562), (14, 146376830), (20, 102463781), (23, 89098940), (28, 73188415), (35, 58550732), (46, 44549470), (70, 29275366), (92, 22274735), (115, 17819788), (140, 14637683), (161, 12728420), (230, 8909894), (322, 6364210), (460, 4454947), (644, 3182105), (805, 2545684), (1610, 1272842), (3220, 636421)]