289240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1033}}^1$

素因数の和:1051

約数の個数: 32

約数和(自身を含む): 744480

約数和(自身を除く): 455240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1033, 2066, 4132, 5165, 7231, 8264, 10330, 14462, 20660, 28924, 36155, 41320, 57848, 72310, 144620, 289240]

約数ペア:

[(1, 289240), (2, 144620), (4, 72310), (5, 57848), (7, 41320), (8, 36155), (10, 28924), (14, 20660), (20, 14462), (28, 10330), (35, 8264), (40, 7231), (56, 5165), (70, 4132), (140, 2066), (280, 1033)]