290560

素因数分解:

$2^8\times 5^1\times {\mathrm{227}}^1$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 699048

約数和(自身を除く): 408488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 227, 256, 320, 454, 640, 908, 1135, 1280, 1816, 2270, 3632, 4540, 7264, 9080, 14528, 18160, 29056, 36320, 58112, 72640, 145280, 290560]

約数ペア:

[(1, 290560), (2, 145280), (4, 72640), (5, 58112), (8, 36320), (10, 29056), (16, 18160), (20, 14528), (32, 9080), (40, 7264), (64, 4540), (80, 3632), (128, 2270), (160, 1816), (227, 1280), (256, 1135), (320, 908), (454, 640)]