290792960

素因数分解:

$2^9\times 5^1\times {\mathrm{113591}}^1$

素因数の和:113614

約数の個数: 40

約数和(自身を含む): 697227696

約数和(自身を除く): 406434736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 113591, 227182, 454364, 567955, 908728, 1135910, 1817456, 2271820, 3634912, 4543640, 7269824, 9087280, 14539648, 18174560, 29079296, 36349120, 58158592, 72698240, 145396480, 290792960]

約数ペア:

[(1, 290792960), (2, 145396480), (4, 72698240), (5, 58158592), (8, 36349120), (10, 29079296), (16, 18174560), (20, 14539648), (32, 9087280), (40, 7269824), (64, 4543640), (80, 3634912), (128, 2271820), (160, 1817456), (256, 1135910), (320, 908728), (512, 567955), (640, 454364), (1280, 227182), (2560, 113591)]