401240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1433}}^1$

素因数の和:1451

約数の個数: 32

約数和(自身を含む): 1032480

約数和(自身を除く): 631240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1433, 2866, 5732, 7165, 10031, 11464, 14330, 20062, 28660, 40124, 50155, 57320, 80248, 100310, 200620, 401240]

約数ペア:

[(1, 401240), (2, 200620), (4, 100310), (5, 80248), (7, 57320), (8, 50155), (10, 40124), (14, 28660), (20, 20062), (28, 14330), (35, 11464), (40, 10031), (56, 7165), (70, 5732), (140, 2866), (280, 1433)]