219029680

素因数分解:

$2^4\times 5^1\times {\mathrm{2737871}}^1$

素因数の和:2737884

約数の個数: 20

約数和(自身を含む): 509244192

約数和(自身を除く): 290214512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2737871, 5475742, 10951484, 13689355, 21902968, 27378710, 43805936, 54757420, 109514840, 219029680]

約数ペア:

[(1, 219029680), (2, 109514840), (4, 54757420), (5, 43805936), (8, 27378710), (10, 21902968), (16, 13689355), (20, 10951484), (40, 5475742), (80, 2737871)]