306218240

素因数分解:

$2^8\times 5^1\times {\mathrm{239233}}^1$

素因数の和:239254

約数の個数: 36

約数和(自身を含む): 733491444

約数和(自身を除く): 427273204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 239233, 478466, 956932, 1196165, 1913864, 2392330, 3827728, 4784660, 7655456, 9569320, 15310912, 19138640, 30621824, 38277280, 61243648, 76554560, 153109120, 306218240]

約数ペア:

[(1, 306218240), (2, 153109120), (4, 76554560), (5, 61243648), (8, 38277280), (10, 30621824), (16, 19138640), (20, 15310912), (32, 9569320), (40, 7655456), (64, 4784660), (80, 3827728), (128, 2392330), (160, 1913864), (256, 1196165), (320, 956932), (640, 478466), (1280, 239233)]