84971320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{303469}}^1$

素因数の和:303487

約数の個数: 32

約数和(自身を含む): 218498400

約数和(自身を除く): 133527080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 303469, 606938, 1213876, 1517345, 2124283, 2427752, 3034690, 4248566, 6069380, 8497132, 10621415, 12138760, 16994264, 21242830, 42485660, 84971320]

約数ペア:

[(1, 84971320), (2, 42485660), (4, 21242830), (5, 16994264), (7, 12138760), (8, 10621415), (10, 8497132), (14, 6069380), (20, 4248566), (28, 3034690), (35, 2427752), (40, 2124283), (56, 1517345), (70, 1213876), (140, 606938), (280, 303469)]