831750640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1485269}}^1$

素因数の和:1485289

約数の個数: 40

約数和(自身を含む): 2210081760

約数和(自身を除く): 1378331120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1485269, 2970538, 5941076, 7426345, 10396883, 11882152, 14852690, 20793766, 23764304, 29705380, 41587532, 51984415, 59410760, 83175064, 103968830, 118821520, 166350128, 207937660, 415875320, 831750640]

約数ペア:

[(1, 831750640), (2, 415875320), (4, 207937660), (5, 166350128), (7, 118821520), (8, 103968830), (10, 83175064), (14, 59410760), (16, 51984415), (20, 41587532), (28, 29705380), (35, 23764304), (40, 20793766), (56, 14852690), (70, 11882152), (80, 10396883), (112, 7426345), (140, 5941076), (280, 2970538), (560, 1485269)]