290433280

素因数分解:

$2^8\times 5^1\times {\mathrm{226901}}^1$

素因数の和:226922

約数の個数: 36

約数和(自身を含む): 695681532

約数和(自身を除く): 405248252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 226901, 453802, 907604, 1134505, 1815208, 2269010, 3630416, 4538020, 7260832, 9076040, 14521664, 18152080, 29043328, 36304160, 58086656, 72608320, 145216640, 290433280]

約数ペア:

[(1, 290433280), (2, 145216640), (4, 72608320), (5, 58086656), (8, 36304160), (10, 29043328), (16, 18152080), (20, 14521664), (32, 9076040), (40, 7260832), (64, 4538020), (80, 3630416), (128, 2269010), (160, 1815208), (256, 1134505), (320, 907604), (640, 453802), (1280, 226901)]