840201985

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{1429}}^1$

素因数の和:1705

約数の個数: 32

約数和(自身を含む): 1171272960

約数和(自身を除く): 331070975

約数列:

[1, 5, 7, 35, 107, 157, 535, 749, 785, 1099, 1429, 3745, 5495, 7145, 10003, 16799, 50015, 83995, 117593, 152903, 224353, 587965, 764515, 1070321, 1121765, 1570471, 5351605, 7852355, 24005771, 120028855, 168040397, 840201985]

約数ペア:

[(1, 840201985), (5, 168040397), (7, 120028855), (35, 24005771), (107, 7852355), (157, 5351605), (535, 1570471), (749, 1121765), (785, 1070321), (1099, 764515), (1429, 587965), (3745, 224353), (5495, 152903), (7145, 117593), (10003, 83995), (16799, 50015)]