809912860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{10883}}^1$

素因数の和:11014

約数の個数: 36

約数和(自身を含む): 1729315224

約数和(自身を除く): 919402364

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3721, 7442, 10883, 14884, 18605, 21766, 37210, 43532, 54415, 74420, 108830, 217660, 663863, 1327726, 2655452, 3319315, 6638630, 13277260, 40495643, 80991286, 161982572, 202478215, 404956430, 809912860]

約数ペア:

[(1, 809912860), (2, 404956430), (4, 202478215), (5, 161982572), (10, 80991286), (20, 40495643), (61, 13277260), (122, 6638630), (244, 3319315), (305, 2655452), (610, 1327726), (1220, 663863), (3721, 217660), (7442, 108830), (10883, 74420), (14884, 54415), (18605, 43532), (21766, 37210)]