13174420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 31893120

約数和(自身を除く): 18718700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 677, 695, 973, 1354, 1390, 1946, 2708, 2780, 3385, 3892, 4739, 4865, 6770, 9478, 9730, 13540, 18956, 19460, 23695, 47390, 94103, 94780, 188206, 376412, 470515, 658721, 941030, 1317442, 1882060, 2634884, 3293605, 6587210, 13174420]

約数ペア:

[(1, 13174420), (2, 6587210), (4, 3293605), (5, 2634884), (7, 1882060), (10, 1317442), (14, 941030), (20, 658721), (28, 470515), (35, 376412), (70, 188206), (139, 94780), (140, 94103), (278, 47390), (556, 23695), (677, 19460), (695, 18956), (973, 13540), (1354, 9730), (1390, 9478), (1946, 6770), (2708, 4865), (2780, 4739), (3385, 3892)]