457280

素因数分解:

$2^6\times 5^1\times {\mathrm{1429}}^1$

素因数の和:1446

約数の個数: 28

約数和(自身を含む): 1089660

約数和(自身を除く): 632380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1429, 2858, 5716, 7145, 11432, 14290, 22864, 28580, 45728, 57160, 91456, 114320, 228640, 457280]

約数ペア:

[(1, 457280), (2, 228640), (4, 114320), (5, 91456), (8, 57160), (10, 45728), (16, 28580), (20, 22864), (32, 14290), (40, 11432), (64, 7145), (80, 5716), (160, 2858), (320, 1429)]