216337280

素因数分解:

$2^7\times 5^1\times {\mathrm{338027}}^1$

素因数の和:338046

約数の個数: 32

約数和(自身を含む): 517182840

約数和(自身を除く): 300845560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 338027, 676054, 1352108, 1690135, 2704216, 3380270, 5408432, 6760540, 10816864, 13521080, 21633728, 27042160, 43267456, 54084320, 108168640, 216337280]

約数ペア:

[(1, 216337280), (2, 108168640), (4, 54084320), (5, 43267456), (8, 27042160), (10, 21633728), (16, 13521080), (20, 10816864), (32, 6760540), (40, 5408432), (64, 3380270), (80, 2704216), (128, 1690135), (160, 1352108), (320, 676054), (640, 338027)]