831320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2969}}^1$

素因数の和:2987

約数の個数: 32

約数和(自身を含む): 2138400

約数和(自身を除く): 1307080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2969, 5938, 11876, 14845, 20783, 23752, 29690, 41566, 59380, 83132, 103915, 118760, 166264, 207830, 415660, 831320]

約数ペア:

[(1, 831320), (2, 415660), (4, 207830), (5, 166264), (7, 118760), (8, 103915), (10, 83132), (14, 59380), (20, 41566), (28, 29690), (35, 23752), (40, 20783), (56, 14845), (70, 11876), (140, 5938), (280, 2969)]