219407840

素因数分解:

$2^5\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1553}}^1$

素因数の和:2451

約数の個数: 48

約数和(自身を含む): 519272208

約数和(自身を除く): 299864368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 883, 1553, 1766, 3106, 3532, 4415, 6212, 7064, 7765, 8830, 12424, 14128, 15530, 17660, 24848, 28256, 31060, 35320, 49696, 62120, 70640, 124240, 141280, 248480, 1371299, 2742598, 5485196, 6856495, 10970392, 13712990, 21940784, 27425980, 43881568, 54851960, 109703920, 219407840]

約数ペア:

[(1, 219407840), (2, 109703920), (4, 54851960), (5, 43881568), (8, 27425980), (10, 21940784), (16, 13712990), (20, 10970392), (32, 6856495), (40, 5485196), (80, 2742598), (160, 1371299), (883, 248480), (1553, 141280), (1766, 124240), (3106, 70640), (3532, 62120), (4415, 49696), (6212, 35320), (7064, 31060), (7765, 28256), (8830, 24848), (12424, 17660), (14128, 15530)]