28210700

素因数分解:

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

素因数の和:423

約数の個数: 72

約数和(自身を含む): 70662144

約数和(自身を除く): 42451444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 191, 211, 350, 382, 422, 700, 764, 844, 955, 1055, 1337, 1477, 1910, 2110, 2674, 2954, 3820, 4220, 4775, 5275, 5348, 5908, 6685, 7385, 9550, 10550, 13370, 14770, 19100, 21100, 26740, 29540, 33425, 36925, 40301, 66850, 73850, 80602, 133700, 147700, 161204, 201505, 282107, 403010, 564214, 806020, 1007525, 1128428, 1410535, 2015050, 2821070, 4030100, 5642140, 7052675, 14105350, 28210700]

約数ペア:

[(1, 28210700), (2, 14105350), (4, 7052675), (5, 5642140), (7, 4030100), (10, 2821070), (14, 2015050), (20, 1410535), (25, 1128428), (28, 1007525), (35, 806020), (50, 564214), (70, 403010), (100, 282107), (140, 201505), (175, 161204), (191, 147700), (211, 133700), (350, 80602), (382, 73850), (422, 66850), (700, 40301), (764, 36925), (844, 33425), (955, 29540), (1055, 26740), (1337, 21100), (1477, 19100), (1910, 14770), (2110, 13370), (2674, 10550), (2954, 9550), (3820, 7385), (4220, 6685), (4775, 5908), (5275, 5348)]