355840

素因数分解:

$2^9\times 5^1\times {\mathrm{139}}^1$

素因数の和:162

約数の個数: 40

約数和(自身を含む): 859320

約数和(自身を除く): 503480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 512, 556, 640, 695, 1112, 1280, 1390, 2224, 2560, 2780, 4448, 5560, 8896, 11120, 17792, 22240, 35584, 44480, 71168, 88960, 177920, 355840]

約数ペア:

[(1, 355840), (2, 177920), (4, 88960), (5, 71168), (8, 44480), (10, 35584), (16, 22240), (20, 17792), (32, 11120), (40, 8896), (64, 5560), (80, 4448), (128, 2780), (139, 2560), (160, 2224), (256, 1390), (278, 1280), (320, 1112), (512, 695), (556, 640)]