5642140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 13676544

約数和(自身を除く): 8034404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 211, 382, 422, 764, 844, 955, 1055, 1337, 1477, 1910, 2110, 2674, 2954, 3820, 4220, 5348, 5908, 6685, 7385, 13370, 14770, 26740, 29540, 40301, 80602, 161204, 201505, 282107, 403010, 564214, 806020, 1128428, 1410535, 2821070, 5642140]

約数ペア:

[(1, 5642140), (2, 2821070), (4, 1410535), (5, 1128428), (7, 806020), (10, 564214), (14, 403010), (20, 282107), (28, 201505), (35, 161204), (70, 80602), (140, 40301), (191, 29540), (211, 26740), (382, 14770), (422, 13370), (764, 7385), (844, 6685), (955, 5908), (1055, 5348), (1337, 4220), (1477, 3820), (1910, 2954), (2110, 2674)]