87229240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311533}}^1$

素因数の和:311551

約数の個数: 32

約数和(自身を含む): 224304480

約数和(自身を除く): 137075240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311533, 623066, 1246132, 1557665, 2180731, 2492264, 3115330, 4361462, 6230660, 8722924, 10903655, 12461320, 17445848, 21807310, 43614620, 87229240]

約数ペア:

[(1, 87229240), (2, 43614620), (4, 21807310), (5, 17445848), (7, 12461320), (8, 10903655), (10, 8722924), (14, 6230660), (20, 4361462), (28, 3115330), (35, 2492264), (40, 2180731), (56, 1557665), (70, 1246132), (140, 623066), (280, 311533)]